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OE Quality
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Champion
Copper PlusChampion 404 Spark Plug - Exhaust Side
| Brand | Champion 404 |
|---|---|
| Position | Exhaust Side |
| Center Electrode Diameter (Inch) | 0.1 |
| Center Electrode Tip Material | Nickel |
| Classification | Champion Copper Plus |
| Electrical Terminal Type | Non-Removable Nut |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Material | Nickel Copper Alloy |
| Ground Electrode Quantity | 1 |
| Hex Size | 0.813 |
| Hex Size | 20.650 |
| Hex Type | Hex |
| Installed Height (Inch) | 2.24 |
| Insulator Height | 0.12 |
| Insulator Projection (Inch) | 0.12 |
| Manufacturer Heat Range | 12 |
| Plug Type | RN12YC |
| Pre-Gap Size | 0.035 |
| Pre-Gap Size | 0.89 |
| Reach | 0.75 |
| Resistor Type | Yes |
| Seat Type | Flat |
| Taper Diameter (Inch) | 0.25 |
| Thread Diameter | 0.551 |
| Thread Diameter | 14.000 |
| Product line | Copper Plus |
| Fits | Kawasaki, Gas Gas, John Deere, Cub Cadet, Polaris, Bombardier, Harley Davidson, Land Rover, Isuzu, Morgan, Volkswagen, Dodge, Geo, Mazda, Plymouth, Suzuki, Toyota, Chrysler, Pontiac, Asuna, BMW, Utilimaster, Bentley, Chevrolet, Eagle, GMC, Mercedes-Benz, Jeep, Nissan, Jaguar, Renault, Rolls-Royce, Honda, Porsche, Aston Martin, Lotus, Triumph, Ford, Audi, Buick, MG, Mercury, International, Monteverdi, Panther, Saab, Fargo, American Motors, Bizzarrini, Checker, Oldsmobile, Opel, Austin Healey, Humber, Austin, Hillman, Reliant, Studebaker, Facel Vega, AC, Jensen, Riley, Nash, Hudson, and Cunningham · 954 vehicles |
Copper core electrode. Improves conductivity and heat control for steady wear.
Resistor design. Helps reduce electrical noise for smoother ignition performance.
Champion Copper Plus. Dependable spark plug line with proven everyday performance.
Cross-references AMS Automotive 4218, AMS Automotive 4219 and AMS Automotive 4220 for the same application. See all 66.
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Champion Copper Plus 404 Spark Plug
Champion Copper Plus 404 is a resistor spark plug built for dependable ignition performance and steady heat control. Its copper core electrode improves conductivity, while nickel center and ground electrode materials support consistent wear in everyday driving.
Key Features
- Copper core electrode for improved conductivity and heat management
- Nickel center electrode tip and nickel copper alloy ground electrode
- Pre-gapped at 0.035 in. / 0.89 mm
- Resistor type spark plug for ignition system noise control
- Flat seat design with 14 mm thread diameter and 0.75 in. reach
- Champion Copper Plus classification for OE-style service applications
Product Details
The Champion Copper Plus line focuses on practical, OE-style ignition service, and part number 404 follows that approach with a copper core for strong electrical transfer and heat control. The RN12YC plug type, flat seat, and 0.035-inch pre-gap make it a direct-service choice for a wide range of older domestic, import, and light truck applications, including Land Rover Discovery, Dodge Caravan, and Toyota Pickup fitments. This part cross-references Autolite 65 and Bosch 7905 for the same application.
Common Problems This Plug Can Address
- Hard starting caused by worn or fouled spark plugs
- Rough idle from weak or inconsistent spark delivery
- Misfire complaints tied to aged ignition components
- Reduced throttle response from degraded plug performance
- Maintenance issues on vehicles calling for RN12YC-style plugs
Installation Notes and Tips
Verify the required plug type, thread diameter, reach, seat style, and gap before installation. This plug is pre-gapped at 0.035 in., but vehicle-specific service information should always take priority when the application calls for a different setting. Confirm the correct fitment for your vehicle, especially on models with application notes such as exhaust-side placement or OE-specific gap requirements. Compatible With select 1955-1999 applications across Land Rover Discovery, Dodge Caravan, Toyota Pickup, Isuzu Rodeo, and BMW 735i fitments listed in the vehicle table.
Quality Assurance
Champion manufactures Copper Plus spark plugs with a copper core electrode and nickel-based wear surfaces to support stable ignition service and controlled heat transfer. Part number 404 is built to match the RN12YC-style applications shown in the fitment data and is suitable for routine ignition maintenance on confirmed vehicles.
This part fits 954 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1999 | Land Rover | Discovery | SD | 4.0L | V8 | — | N/A | VIN # J, 4th Digit; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1998 | Land Rover | Discovery | — | 4.0L | V8 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1998 | Land Rover | Range Rover | — | 4.0L | V8 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1997 | Isuzu | Rodeo | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1997 | Land Rover | Discovery | — | 4.0L | V8 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1996 | Isuzu | Rodeo | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1996 | Land Rover | Discovery | — | 4.0L | V8 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1996 | Volkswagen | EuroVan | — | 2.5L | L5 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1995 | Dodge | Caravan | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1995 | Dodge | Dakota | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1995 | Dodge | Spirit | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1995 | Geo | Tracker | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1995 | Isuzu | Pickup | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1995 | Isuzu | Pickup | — | 2.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1995 | Isuzu | Rodeo | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1995 | Mazda | 323 | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1995 | Plymouth | Acclaim | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1995 | Plymouth | Voyager | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1995 | Suzuki | Samurai | — | 1.3L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1995 | Suzuki | Sidekick | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1995 | Toyota | 4Runner | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1995 | Toyota | Pickup | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1995 | Volkswagen | EuroVan | — | 2.5L | L5 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1994 | Chrysler | LeBaron | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1994 | Dodge | Caravan | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1994 | Dodge | Dakota | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1994 | Dodge | Shadow | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1994 | Dodge | Shadow | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1994 | Dodge | Spirit | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1994 | Geo | Tracker | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1994 | Isuzu | Amigo | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1994 | Isuzu | Pickup | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1994 | Isuzu | Pickup | — | 2.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1994 | Isuzu | Rodeo | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1994 | Mazda | 323 | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1994 | Plymouth | Acclaim | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1994 | Plymouth | Sundance | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1994 | Plymouth | Sundance | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1994 | Plymouth | Voyager | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1994 | Pontiac | Sunrunner | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1994 | Suzuki | Samurai | — | 1.3L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1994 | Suzuki | Sidekick | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1994 | Toyota | 4Runner | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1994 | Toyota | Pickup | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1994 | Volkswagen | EuroVan | — | 2.5L | L5 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Chrysler | Daytona | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1993 | Chrysler | Daytona | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1993 | Chrysler | Dynasty | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1993 | Chrysler | LeBaron | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1993 | Dodge | Caravan | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1993 | Dodge | Dakota | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1993 | Dodge | Daytona | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1993 | Dodge | Daytona | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1993 | Dodge | Shadow | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1993 | Dodge | Shadow | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1993 | Dodge | Spirit | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1993 | Geo | Storm | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Geo | Tracker | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Isuzu | Amigo | — | 2.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Isuzu | Amigo | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Isuzu | Pickup | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Isuzu | Pickup | — | 2.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Isuzu | Rodeo | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Mazda | 323 | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Mazda | B2200 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Mazda | B2200 | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Plymouth | Acclaim | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1993 | Plymouth | Sundance | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1993 | Plymouth | Sundance | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1993 | Plymouth | Voyager | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1993 | Pontiac | LeMans | — | 1.6L | L4 | — | N/A | Gap 0.060 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Suzuki | Samurai | — | 1.3L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Suzuki | Sidekick | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Toyota | 4Runner | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Toyota | Pickup | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1993 | Volkswagen | EuroVan | — | 2.5L | L5 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | BMW | 735i | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | BMW | 735iL | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Chrysler | Daytona | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1992 | Chrysler | Daytona | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1992 | Chrysler | Dynasty | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1992 | Chrysler | LeBaron | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1992 | Dodge | B250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Dodge | B350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Dodge | Caravan | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Dodge | D250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Dodge | D350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Dodge | Dakota | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Dodge | Daytona | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Dodge | Daytona | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Dodge | Ramcharger | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Dodge | Shadow | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Dodge | Shadow | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Dodge | Spirit | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Dodge | Spirit | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Dodge | W250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Dodge | W350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1992 | Geo | Storm | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Geo | Tracker | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Isuzu | Amigo | — | 2.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Isuzu | Amigo | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Isuzu | Pickup | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Isuzu | Pickup | — | 2.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Isuzu | Rodeo | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Mazda | 323 | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Mazda | B2200 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Mazda | B2200 | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Plymouth | Acclaim | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1992 | Plymouth | Sundance | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1992 | Plymouth | Sundance | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1992 | Plymouth | Voyager | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1992 | Pontiac | LeMans | — | 1.6L | L4 | — | N/A | Gap 0.060 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Suzuki | Samurai | — | 1.3L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Suzuki | Sidekick | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Toyota | 4Runner | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Toyota | Pickup | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1992 | Volkswagen | EuroVan | — | 2.5L | L5 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Bentley | Continental | — | 6.8L | V8 | — | N/A | OE Type; Gap 0.040 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | BMW | 735i | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | BMW | 735iL | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Chevrolet | Tracker | — | 1.6L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Chrysler | Daytona | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1991 | Chrysler | Dynasty | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1991 | Chrysler | LeBaron | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1991 | Dodge | B150 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | B150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | B250 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | B250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | B250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | B350 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | B350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | Caravan | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | D150 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | D150 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | D150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | D250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | D250 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | D250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | D350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | Dakota | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | Dakota | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | Dakota | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | Daytona | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | Ramcharger | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | Ramcharger | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | Shadow | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | Shadow | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | Spirit | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | Spirit | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | W150 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | W150 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | W150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | W250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | W250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Dodge | W350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1991 | Geo | Tracker | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | GMC | Tracker | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Isuzu | Amigo | — | 2.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Isuzu | Amigo | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Isuzu | Rodeo | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Isuzu | Trooper | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Mazda | 323 | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Mazda | 626 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Mazda | B2200 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Mazda | B2200 | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Mercedes-Benz | 420SEL | — | 4.2L | V8 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Plymouth | Acclaim | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1991 | Plymouth | Sundance | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1991 | Plymouth | Sundance | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1991 | Plymouth | Voyager | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1991 | Pontiac | LeMans | — | 1.6L | L4 | — | N/A | Gap 0.060 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Suzuki | Samurai | — | 1.3L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Suzuki | Sidekick | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Toyota | 4Runner | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1991 | Toyota | Pickup | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Bentley | Continental | — | 6.8L | V8 | — | N/A | OE Type; Gap 0.040 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | BMW | 525i | — | 2.5L | L6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | BMW | 735i | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | BMW | 735iL | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Chevrolet | Tracker | — | 1.6L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Chrysler | Daytona | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1990 | Chrysler | Daytona | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1990 | Chrysler | Dynasty | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1990 | Chrysler | LeBaron | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1990 | Chrysler | LeBaron | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1990 | Dodge | B150 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | B150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | B250 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | B250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | B250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | B350 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | B350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | Caravan | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | D150 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | D150 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | D150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | D250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | D250 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | D250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | D350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | Dakota | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | Dakota | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | Dakota | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | Daytona | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | Daytona | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | Ramcharger | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | Ramcharger | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | Shadow | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | Shadow | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | Spirit | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | W150 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | W150 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | W150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | W250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | W250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Dodge | W350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1990 | Geo | Tracker | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | GMC | Tracker | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Isuzu | Amigo | — | 2.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Isuzu | Amigo | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Isuzu | Trooper | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Mazda | 323 | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Mazda | 626 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Mazda | B2200 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Mazda | B2200 | — | 2.2L | L4 | — | N/A | Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Mercedes-Benz | 420SEL | — | 4.2L | V8 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Plymouth | Acclaim | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1990 | Plymouth | Sundance | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1990 | Plymouth | Sundance | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1990 | Plymouth | Voyager | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1990 | Pontiac | LeMans | — | 1.6L | L4 | — | N/A | Gap 0.060 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Suzuki | Samurai | — | 1.3L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Suzuki | Sidekick | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Toyota | 4Runner | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1990 | Toyota | Pickup | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Bentley | Continental | — | 6.8L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | BMW | 525i | — | 2.5L | L6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | BMW | 735i | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | BMW | 735iL | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Chevrolet | Tracker | — | 1.6L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Chrysler | Daytona | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | Chrysler | Daytona | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | Chrysler | Dynasty | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | Chrysler | Fifth Avenue | — | 5.2L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | Chrysler | LeBaron | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | Chrysler | LeBaron | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | Dodge | Aries | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | Aries | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | B150 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | B150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | B250 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | B250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | B250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | B350 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | B350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | Caravan | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | D100 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | D100 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | D150 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | D150 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | D150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | D250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | D250 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | D250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | D350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | Dakota | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | Dakota | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | Dakota | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | Daytona | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | Daytona | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | Grand Caravan | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | Dodge | Lancer | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | Lancer | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | Ramcharger | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | Ramcharger | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | Shadow | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | Shadow | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | Spirit | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | W100 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | W100 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | W150 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | W150 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | W150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | W250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | W250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Dodge | W350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Geo | Tracker | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | GMC | Tracker | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Isuzu | Amigo | — | 2.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Isuzu | Amigo | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Isuzu | Trooper | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Jeep | Grand Wagoneer | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1989 | Mazda | 323 | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Mazda | 626 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Mazda | B2200 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Mercedes-Benz | 420SEL | — | 4.2L | V8 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Nissan | D21 | — | 2.4L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Plymouth | Acclaim | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | Plymouth | Expo | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | Plymouth | Reliant | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | Plymouth | Reliant | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | Plymouth | Sundance | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | Plymouth | Sundance | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | Plymouth | Voyager | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1989 | Pontiac | LeMans | — | 1.6L | L4 | — | N/A | Gap 0.060 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Suzuki | Samurai | — | 1.3L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Suzuki | Sidekick | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Suzuki | Sidekick | — | 1.3L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Toyota | 4Runner | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Toyota | Land Cruiser | — | 4.0L | L6 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1989 | Toyota | Pickup | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Bentley | Continental | — | 6.8L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | BMW | 528e | — | 2.7L | L6 | — | N/A | Gap 0.028; Plug Type Number RN12YC; Copper Plus |
| 1988 | BMW | 735i | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | BMW | 735iL | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Chrysler | Daytona | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Chrysler | Daytona | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Chrysler | Dynasty | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Chrysler | Fifth Avenue | — | 5.2L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Chrysler | LeBaron | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Chrysler | LeBaron | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Chrysler | New Yorker | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Chrysler | Town & Country | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Chrysler | Town & Country | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Dodge | 600 | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | 600 | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | Aries | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | Aries | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | B150 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | B150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | B250 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | B250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | B250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | B350 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | B350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | Caravan | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | D100 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | D100 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | D100 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | D150 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | D150 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | D150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | D250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | D250 | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | D250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | D350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | Dakota | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | Dakota | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | Daytona | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | Daytona | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | Grand Caravan | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | Lancer | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | Lancer | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | Ramcharger | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | Ramcharger | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | Shadow | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | Shadow | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | W100 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | W100 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | W150 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | W150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | W250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | W250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Dodge | W350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1988 | Isuzu | Trooper | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Jeep | Grand Wagoneer | — | 5.9L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Land Rover | Range Rover | — | 3.5L | V8 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Mazda | 323 | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Mazda | 626 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Mazda | B2200 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Mazda | B2600 | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Mercedes-Benz | 420SEL | — | 4.2L | V8 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Nissan | D21 | — | 2.4L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Nissan | Pathfinder | — | 2.4L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Plymouth | Expo | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Plymouth | Grand Voyager | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Plymouth | Reliant | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Plymouth | Reliant | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Plymouth | Sundance | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Plymouth | Sundance | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Plymouth | Voyager | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1988 | Pontiac | Firefly | — | 1.0L | L3 | — | N/A | OE Type; Gap of 0.043 inches; Plug Type Number RN12YC; Copper Plus |
| 1988 | Pontiac | LeMans | — | 1.6L | L4 | — | N/A | Gap 0.060 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Suzuki | Samurai | — | 1.3L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Toyota | 4Runner | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Toyota | Land Cruiser | — | 4.0L | L6 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1988 | Toyota | Pickup | — | 2.4L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Bentley | Continental | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Bentley | Mulsanne | — | 6.8L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | BMW | 735i | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Chrysler | Daytona | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Chrysler | Daytona | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Chrysler | Daytona | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Chrysler | Fifth Avenue | — | 5.2L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Chrysler | LeBaron | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Chrysler | LeBaron | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Chrysler | New Yorker | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Chrysler | New Yorker | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Chrysler | Town & Country | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Chrysler | Town & Country | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Dodge | 600 | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | 600 | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | Aries | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | Aries | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | B150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | B250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | B250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | B350 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | B350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | Caravan | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | Charger | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | D100 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | D100 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | D150 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | D150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | D250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | D250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | D350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | Dakota | — | 3.9L | V6 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | Dakota | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | Daytona | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | Daytona | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | Grand Caravan | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Dodge | Lancer | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | Lancer | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | Ramcharger | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | Ramcharger | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | Shadow | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | W100 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | W100 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | W150 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | W150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | W250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | W250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Dodge | W350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Jaguar | Vanden Plas | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Jeep | Grand Wagoneer | — | 5.9L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Land Rover | Range Rover | — | 3.5L | V8 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Mazda | 323 | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Mazda | 626 | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Mazda | B2000 | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Mazda | B2200 | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Mazda | B2600 | — | 2.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Mercedes-Benz | 420SEL | — | 4.2L | V8 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Nissan | D21 | — | 2.4L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Nissan | Pathfinder | — | 2.4L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Plymouth | Expo | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Plymouth | Reliant | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Plymouth | Reliant | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Plymouth | Sundance | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Plymouth | Turismo | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Plymouth | Voyager | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Plymouth | Voyager | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1987 | Pontiac | Firefly | — | 1.0L | L3 | — | N/A | OE Type; Gap of 0.043 inches; Plug Type Number RN12YC; Copper Plus |
| 1987 | Rolls-Royce | Camargue | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Rolls-Royce | Corniche II | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Rolls-Royce | Silver Spirit | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Rolls-Royce | Silver Spur | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1987 | Suzuki | Samurai | — | 1.3L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Toyota | 4Runner | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1987 | Toyota | Pickup | — | 2.4L | L4 | GAS | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Bentley | Continental | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Bentley | Eight | — | 6.8L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Bentley | Mulsanne | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Chrysler | Daytona | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Chrysler | Fifth Avenue | — | 5.2L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Chrysler | Laser | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Chrysler | Laser | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Chrysler | LeBaron | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Chrysler | LeBaron | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Chrysler | New Yorker | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Chrysler | New Yorker | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Chrysler | Town & Country | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Chrysler | Town & Country | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Dodge | 600 | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | 600 | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | Aries | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | Aries | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | B150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | B250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | B250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | B350 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | B350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | Caravan | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | Charger | — | 1.6L | L4 | — | N/A | Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | Charger | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | D100 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | D100 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | D150 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | D150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | D250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | D250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | D350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | Daytona | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | Daytona | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | Lancer | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | Lancer | — | 2.5L | L4 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | Ramcharger | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | Ramcharger | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | W100 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | W100 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | W150 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | W150 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | W250 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | W250 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Dodge | W350 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Jaguar | Vanden Plas | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Jeep | Grand Wagoneer | — | 5.9L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Mazda | 323 | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Mazda | 626 | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Mazda | B2000 | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Mercedes-Benz | 420SEL | — | 4.2L | V8 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Nissan | 720 | — | 2.4L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Nissan | 720 | — | 2.0L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Nissan | D21 | — | 2.4L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Plymouth | Reliant | — | 2.5L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Plymouth | Reliant | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Plymouth | Turismo | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Plymouth | Turismo | — | 1.6L | L4 | — | N/A | Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Plymouth | Turismo 2.2 | — | 2.2L | L4 | — | N/A | Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Plymouth | Voyager | — | 2.2L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1986 | Pontiac | Firefly | — | 1.0L | L3 | — | N/A | OE Type; Gap of 0.043 inches; Plug Type Number RN12YC; Copper Plus |
| 1986 | Rolls-Royce | Camargue | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Rolls-Royce | Corniche II | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Rolls-Royce | Silver Spirit | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Rolls-Royce | Silver Spur | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1986 | Suzuki | Samurai | — | 1.3L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Toyota | 4Runner | — | 2.4L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1986 | Toyota | Pickup | — | 2.4L | L4 | GAS | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Bentley | Continental | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1985 | Bentley | Mulsanne | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1985 | Chevrolet | S10 | — | 1.9L | L4 | — | N/A | OE Type; Gap 0.045 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Dodge | Charger | — | 1.6L | L4 | — | N/A | Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Dodge | D100 | — | 5.9L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1985 | Dodge | W100 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Dodge | W100 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | GMC | S15 | — | 1.9L | L4 | — | N/A | OE Type; Gap 0.045 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Jaguar | Vanden Plas | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Jeep | Grand Wagoneer | — | 5.9L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1985 | Mazda | 626 | — | 2.0L | L4 | GAS | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Mercedes-Benz | 500SEC | — | 5.0L | V8 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Mercedes-Benz | 500SEL | — | 5.0L | V8 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Nissan | 720 | — | 2.4L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Nissan | 720 | — | 2.0L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Plymouth | Turismo | — | 1.6L | L4 | — | N/A | Peugeot Engine(s); OE Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Pontiac | Firefly | — | 1.0L | L3 | — | N/A | OE Type; Gap of 0.043 inches; Plug Type Number RN12YC; Copper Plus |
| 1985 | Rolls-Royce | Camargue | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1985 | Rolls-Royce | Corniche | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1985 | Rolls-Royce | Silver Spirit | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1985 | Rolls-Royce | Silver Spur | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1985 | Suzuki | Samurai | — | 1.3L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Toyota | 4Runner | — | 2.4L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Toyota | Celica | — | 2.4L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1985 | Toyota | Pickup | — | 2.4L | L4 | GAS | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Bentley | Eight | — | 6.8L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1984 | Bentley | Mulsanne | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1984 | Chevrolet | S10 | — | 1.9L | L4 | — | N/A | OE Type; Gap 0.045 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Chevrolet | S10 Blazer | — | 1.9L | L4 | — | N/A | OE Type; Gap 0.045 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Dodge | Charger | — | 1.6L | L4 | — | N/A | Peugeot Engine(s); OE Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Dodge | D100 | — | 5.9L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1984 | Dodge | W100 | — | 5.2L | V8 | — | N/A | Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Dodge | W100 | — | 5.9L | V8 | — | N/A | Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | GMC | S15 | — | 1.9L | L4 | — | N/A | OE Type; Gap 0.045 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | GMC | S15 Jimmy | — | 1.9L | L4 | — | N/A | OE Type; Gap 0.045 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Honda | Civic | — | 1.3L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Jaguar | Vanden Plas | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Jeep | Grand Wagoneer | — | 5.9L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1984 | Mazda | 626 | — | 2.0L | L4 | GAS | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Mazda | B2000 | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Mercedes-Benz | 500SEC | — | 5.0L | V8 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Mercedes-Benz | 500SEL | — | 5.0L | V8 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Nissan | 720 | — | 2.4L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Nissan | 720 | — | 2.0L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Plymouth | Turismo | — | 1.6L | L4 | — | N/A | Peugeot Engine(s); OE Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Porsche | 928 | — | 4.7L | V8 | — | N/A | OE Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Porsche | 944 | — | 2.5L | L4 | — | N/A | OE Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Rolls-Royce | Camargue | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1984 | Rolls-Royce | Corniche | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1984 | Rolls-Royce | Silver Spirit | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1984 | Rolls-Royce | Silver Spur | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1984 | Toyota | 4Runner | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Toyota | Celica | — | 2.4L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1984 | Toyota | Pickup | — | 2.4L | L4 | GAS | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Bentley | Mulsanne | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1983 | Chevrolet | S10 | — | 1.9L | L4 | — | N/A | OE Type; Gap 0.045 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Chevrolet | S10 Blazer | — | 1.9L | L4 | — | N/A | OE Type; Gap 0.045 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Dodge | Charger | — | 1.6L | L4 | — | N/A | Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | GMC | S15 | — | 1.9L | L4 | — | N/A | OE Type; Gap 0.045 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | GMC | S15 Jimmy | — | 1.9L | L4 | — | N/A | OE Type; Gap 0.045 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Jaguar | Vanden Plas | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Mazda | 626 | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Mazda | B2000 | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Nissan | 720 | — | 2.2L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Nissan | 720 | — | 2.4L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Nissan | 720 | — | 2.0L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Nissan | Pulsar | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Nissan | Sentra | — | 1.5L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Porsche | 928 | — | 4.7L | V8 | — | N/A | OE Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Porsche | 944 | — | 2.5L | L4 | — | N/A | OE Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Rolls-Royce | Camargue | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1983 | Rolls-Royce | Corniche | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1983 | Rolls-Royce | Silver Spirit | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1983 | Rolls-Royce | Silver Spur | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1983 | Toyota | Celica | — | 2.4L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1983 | Toyota | Pickup | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | Bentley | Mulsanne | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1982 | Chevrolet | S10 | — | 1.9L | L4 | — | N/A | OE Type; Gap 0.045 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | GMC | S15 | — | 1.9L | L4 | — | N/A | OE Type; Gap 0.045 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | Jaguar | Vanden Plas | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | Mazda | 626 | — | 2.0L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | Mazda | B2000 | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | Nissan | 720 | — | 2.2L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | Nissan | Sentra | — | 1.5L | L4 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | Porsche | 928 | — | 4.5L | V8 | — | N/A | OE Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | Rolls-Royce | Camargue | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1982 | Rolls-Royce | Corniche | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1982 | Rolls-Royce | Silver Spirit | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1982 | Rolls-Royce | Silver Spur | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1982 | Toyota | Celica | — | 2.4L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | Toyota | Celica | — | 2.8L | L6 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | Toyota | Corona | — | 2.4L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | Toyota | Cressida | — | 2.8L | L6 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | Toyota | Pickup | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1982 | Toyota | Starlet | — | 1.3L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1981 | Bentley | Mulsanne | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1981 | Ford | Courier | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1981 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1981 | Mazda | 626 | — | 2.0L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1981 | Mazda | B2000 | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1981 | Nissan | 720 | — | 2.2L | L4 | — | Exhaust Side | 2 Plugs Per Cylinder Required; OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1981 | Porsche | 928 | — | 4.5L | V8 | — | N/A | OE Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1981 | Rolls-Royce | Camargue | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1981 | Rolls-Royce | Corniche | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1981 | Rolls-Royce | Silver Spirit | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1981 | Rolls-Royce | Silver Spur | — | 6.8L | V8 | — | N/A | Gap 0.035 (in); Actual OE Part; Plug Type Number RN12YC; Copper Plus |
| 1981 | Toyota | Celica | — | 2.4L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1981 | Toyota | Celica | — | 2.8L | L6 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1981 | Toyota | Corona | — | 2.4L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1981 | Toyota | Cressida | — | 2.8L | L6 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1981 | Toyota | Pickup | — | 2.4L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1981 | Toyota | Starlet | — | 1.3L | L4 | — | N/A | Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Audi | 4000 | — | 1.6L | L4 | GAS | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Chevrolet | LUV | — | 1.8L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1980 | Ford | Courier | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Mazda | 626 | — | 2.0L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Mazda | B2000 | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Porsche | 928 | — | 4.5L | V8 | — | N/A | OE Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Toyota | Celica | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Toyota | Celica | — | 2.6L | L6 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Toyota | Corona | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Toyota | Cressida | — | 2.6L | L6 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Toyota | Pickup | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Volkswagen | Jetta | — | 1.6L | L4 | GAS | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Volkswagen | Rabbit Convertible | — | 1.6L | L4 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Volkswagen | Rabbit Pickup | — | 1.6L | L4 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1980 | Volkswagen | Rabbit Pickup | — | 1.5L | L4 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Chevrolet | LUV | — | 1.8L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1979 | Ford | Courier | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Ford | Courier | — | 1.8L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Mazda | 626 | — | 2.0L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Mazda | B2000 | — | 2.0L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Nissan | 810 | — | 2.4L | L6 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Porsche | 911 | — | 3.0L | H6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Porsche | 928 | — | 4.5L | V8 | — | N/A | OE Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Toyota | Celica | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Toyota | Celica | — | 2.6L | L6 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Toyota | Corolla | — | 1.6L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Toyota | Corolla | — | 1.2L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Toyota | Corona | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Toyota | Cressida | — | 2.6L | L6 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1979 | Toyota | Pickup | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1978 | BMW | 530i | — | 3.0L | L6 | — | N/A | Resistor Type; Gap 0.024 (in); Plug Type Number RN12YC; Copper Plus |
| 1978 | Chevrolet | LUV | — | 1.8L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1978 | Ford | Courier | — | 1.8L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1978 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1978 | Nissan | 810 | — | 2.4L | L6 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1978 | Porsche | 911 | — | 3.0L | H6 | — | N/A | Resistor Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1978 | Porsche | 928 | — | 4.5L | V8 | — | N/A | OE Type; Gap 0.028 (in); Plug Type Number RN12YC; Copper Plus |
| 1978 | Toyota | Celica | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1978 | Toyota | Corolla | — | 1.6L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1978 | Toyota | Corolla | — | 1.2L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1978 | Toyota | Corona | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1978 | Toyota | Cressida | — | 2.6L | L6 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1978 | Toyota | Pickup | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1977 | BMW | 530i | — | 3.0L | L6 | — | N/A | Resistor Type; Gap 0.024 (in); Plug Type Number RN12YC; Copper Plus |
| 1977 | Chevrolet | LUV | — | 1.8L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1977 | Ford | Courier | — | 1.8L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1977 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.024 (in); Plug Type Number RN12YC; Copper Plus |
| 1977 | Nissan | 810 | — | 2.4L | L6 | — | N/A | OE Type; Gap 0.044 (in); Plug Type Number RN12YC; Copper Plus |
| 1977 | Toyota | Celica | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1977 | Toyota | Corolla | — | 1.6L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1977 | Toyota | Corolla | — | 1.2L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1977 | Toyota | Corona | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1977 | Toyota | Pickup | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1976 | BMW | 530i | — | 3.0L | L6 | — | N/A | Resistor Type; Gap 0.024 (in); Plug Type Number RN12YC; Copper Plus |
| 1976 | Chevrolet | LUV | — | 1.8L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1976 | Ford | Courier | — | 1.8L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1976 | Ford | Pinto | — | 2.8L | V6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1976 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.024 (in); Plug Type Number RN12YC; Copper Plus |
| 1976 | Mercury | Bobcat | — | 2.8L | V6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1976 | Toyota | Celica | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1976 | Toyota | Corolla | — | 1.6L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1976 | Toyota | Corolla | — | 1.2L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1976 | Toyota | Corona | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1976 | Toyota | Pickup | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1975 | BMW | 530i | — | 3.0L | L6 | — | N/A | Resistor Type; Gap 0.024 (in); Plug Type Number RN12YC; Copper Plus |
| 1975 | Chevrolet | LUV | — | 1.8L | L4 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1975 | Ford | Courier | — | 1.8L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1975 | Ford | Pinto | — | 2.8L | V6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1975 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.024 (in); Plug Type Number RN12YC; Copper Plus |
| 1975 | Mercury | Bobcat | — | 2.8L | V6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1975 | Toyota | Celica | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1975 | Toyota | Corolla | — | 1.6L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1975 | Toyota | Corolla | — | 1.2L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1975 | Toyota | Corona | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1975 | Toyota | Pickup | — | 2.2L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1974 | Ford | Courier | — | 1.8L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1974 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1974 | Mercury | Capri | — | 2.8L | V6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1974 | Toyota | Celica | — | 2.0L | L4 | — | N/A | Resistor Type; with EGR Valve; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1974 | Toyota | Corolla | — | 1.6L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1974 | Toyota | Corolla | — | 1.2L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1974 | Toyota | Land Cruiser | — | 3.9L | L6 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1974 | Toyota | Pickup | — | 2.0L | L4 | — | N/A | Resistor Type; with California Emissions System; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1973 | Ford | Courier | — | 1.8L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1973 | Ford | Pinto | — | 1.6L | L4 | — | N/A | OE Type; Gap 0.030 (in); Plug Type Number RN12YC; Copper Plus |
| 1973 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1973 | Mercury | Capri | — | 2.6L | V6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1973 | Toyota | Celica | — | 2.0L | L4 | — | N/A | Resistor Type; with EGR Valve; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1973 | Toyota | Corolla | — | 1.6L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1973 | Toyota | Corolla | — | 1.2L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1973 | Toyota | Corona | — | 2.6L | L6 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1973 | Toyota | Land Cruiser | — | 3.9L | L6 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1973 | Toyota | Pickup | — | 2.0L | L4 | — | N/A | Resistor Type; with California Emissions System; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1972 | Dodge | Challenger | — | 5.6L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1972 | Dodge | Charger | — | 5.9L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1972 | Dodge | Charger | — | 5.6L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1972 | Dodge | Dart | — | 5.6L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1972 | Ford | Courier | — | 1.8L | L4 | — | N/A | OE Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1972 | Jaguar | XJ6 | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1972 | Mercury | Capri | — | 2.6L | V6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1972 | Toyota | Corolla | — | 1.6L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1972 | Toyota | Corolla | — | 1.2L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1972 | Toyota | Land Cruiser | — | 3.9L | L6 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1971 | Dodge | Challenger | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1971 | Dodge | Challenger | — | 5.6L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1971 | Dodge | Charger | — | 5.9L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1971 | Dodge | Charger | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1971 | Dodge | Charger | — | 5.6L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1971 | Dodge | Dart | — | 5.6L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1971 | Jaguar | XJ | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1971 | Toyota | Corolla | — | 1.6L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1971 | Toyota | Corolla | — | 1.2L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1971 | Toyota | Land Cruiser | — | 3.9L | L6 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1970 | Dodge | Challenger | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1970 | Dodge | Challenger | — | 5.6L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1970 | Dodge | Charger | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1970 | Dodge | Charger | — | 5.6L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1970 | Dodge | Dart | — | 5.6L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1970 | Jaguar | XJ | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1970 | Pontiac | Acadian | — | 3.8L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1970 | Toyota | Corolla | — | 1.2L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1970 | Toyota | Land Cruiser | — | 3.9L | L6 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1969 | Chevrolet | Bel Air | — | 4.1L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | Bel Air | — | 7.0L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | Blazer | — | 4.1L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | C10 Suburban | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1969 | Chevrolet | C20 Suburban | — | 4.1L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | Camaro | — | 3.8L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | Camaro | — | 4.1L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | Camaro | — | 7.0L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | Camaro | — | 6.5L | V8 | — | N/A | OE Type; Gap 0.035 (in); with 325 Horsepower Engine & Down; Plug Type Number RN12YC; Copper Plus |
| 1969 | Chevrolet | Caprice | — | 4.1L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | Caprice | — | 7.0L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | Corvette | — | 7.0L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | Corvette | — | 7.0L | V8 | — | N/A | Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1969 | Chevrolet | El Camino | — | 3.8L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | El Camino | — | 4.1L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | Impala | — | 4.1L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | Impala | — | 7.0L | V8 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | K10 Suburban | — | 4.1L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | K20 Suburban | — | 4.1L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | Nova | — | 4.1L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Chevrolet | Nova | — | 3.8L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Dodge | Charger | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1969 | Dodge | Dart | — | 5.6L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1969 | Jaguar | XJ | — | 4.2L | L6 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1969 | Pontiac | Acadian | — | 4.1L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Pontiac | Acadian | — | 3.8L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Pontiac | Firebird | — | 4.1L | L6 | — | N/A | OE Type; 0.035" Gap; Plug Type RN12YC; Copper Plus |
| 1969 | Toyota | Corolla | — | 1.1L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1969 | Toyota | Corolla | — | 1.2L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1969 | Toyota | Land Cruiser | — | 3.9L | L6 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | Bel Air | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | Bel Air | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | C10 Suburban | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | C20 Suburban | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | Camaro | — | 6.5L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); with 325 Horsepower Engine & Down; Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | Camaro | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | Camaro | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | Caprice | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | Caprice | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | Corvette | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | El Camino | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | El Camino | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | Impala | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | Impala | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | K10 Suburban | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Chevrolet | K20 Suburban | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Dodge | Charger | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Dodge | Dart | — | 5.6L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Pontiac | Acadian | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Pontiac | Acadian | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Pontiac | Firebird | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Toyota | Corolla | — | 1.1L | L4 | — | N/A | Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1968 | Toyota | Land Cruiser | — | 3.9L | L6 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | Bel Air | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | Bel Air | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | C10 Suburban | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | C20 Suburban | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | Camaro | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | Camaro | — | 6.5L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); with 325 Horsepower Engine & Down; Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | Camaro | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | Caprice | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | Caprice | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | Corvette | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | El Camino | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | El Camino | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | Impala | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | Impala | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | K10 Suburban | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | K20 Suburban | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | Malibu | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Chevrolet | Malibu | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Dodge | Charger | — | 7.0L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Pontiac | Acadian | — | 3.8L | L6 | — | N/A | OE Type; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Pontiac | Acadian | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Pontiac | Firebird | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Pontiac | LeMans | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Pontiac | Tempest | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1967 | Toyota | Land Cruiser | — | 3.9L | L6 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Chevrolet | Bel Air | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Chevrolet | Bel Air | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Chevrolet | Bel Air | — | 6.5L | V8 | — | N/A | Resistor Type; with 265 to 325 Horsepower Engine; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Chevrolet | Caprice | — | 6.5L | V8 | — | N/A | Resistor Type; with 265 to 325 Horsepower Engine; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Chevrolet | Caprice | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Chevrolet | Corvette | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Chevrolet | El Camino | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Chevrolet | El Camino | — | 3.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Chevrolet | Impala | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Chevrolet | Impala | — | 6.5L | V8 | — | N/A | Resistor Type; with 265 to 325 Horsepower Engine; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Chevrolet | Impala | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Chevrolet | Malibu | — | 3.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Chevrolet | Malibu | — | 6.5L | V8 | — | N/A | Resistor Type; with 265 to 325 Horsepower Engine; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Chevrolet | Malibu | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Dodge | Charger | — | 7.0L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | GMC | G1000 Series | — | 2.5L | L4 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Pontiac | Acadian | — | 2.5L | L4 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Pontiac | Acadian | — | 3.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1966 | Toyota | Land Cruiser | — | 3.9L | L6 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Chevrolet | Bel Air | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Chevrolet | Bel Air | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Chevrolet | Bel Air | — | 6.5L | V8 | — | N/A | Resistor Type; with 265 to 325 Horsepower Engine; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Chevrolet | Corvette | — | 6.5L | V8 | — | N/A | Resistor Type; with 265 to 325 Horsepower Engine; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Chevrolet | El Camino | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Chevrolet | El Camino | — | 3.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Chevrolet | Impala | — | 4.1L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Chevrolet | Impala | — | 6.5L | V8 | — | N/A | Resistor Type; with 265 to 325 Horsepower Engine; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Chevrolet | Impala | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Chevrolet | Malibu | — | 3.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Chevrolet | Malibu | — | 6.5L | V8 | — | N/A | Resistor Type; with 265 to 325 Horsepower Engine; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Chevrolet | Malibu | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | GMC | G1000 Series | — | 2.5L | L4 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Pontiac | Acadian | — | 2.5L | L4 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Pontiac | Acadian | — | 3.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Pontiac | LeMans | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Pontiac | Tempest | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1965 | Toyota | Land Cruiser | — | 3.9L | L6 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.032 (in); Plug Type Number RN12YC; Copper Plus |
| 1964 | Chevrolet | Bel Air | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1964 | Chevrolet | El Camino | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1964 | Chevrolet | El Camino | — | 3.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1964 | Chevrolet | Impala | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1964 | Chevrolet | Malibu | — | 3.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1964 | Chevrolet | Malibu | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1964 | GMC | G1000 Series | — | 2.5L | L4 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1964 | Pontiac | Acadian | — | 2.5L | L4 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1964 | Pontiac | Acadian | — | 3.2L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1964 | Pontiac | LeMans | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1964 | Pontiac | Tempest | — | 3.5L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1963 | Chevrolet | Bel Air | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1963 | Chevrolet | Bel Air | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1963 | Chevrolet | Impala | — | 7.0L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1963 | Chevrolet | Impala | — | 3.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1963 | GMC | G1000 Series | — | 2.5L | L4 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1963 | Pontiac | Acadian | — | 2.5L | L4 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1962 | Pontiac | Acadian | — | 2.5L | L4 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1962 | Pontiac | Laurentian | — | 5.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1962 | Pontiac | Parisienne | — | 5.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1961 | Chevrolet | Bel Air | — | 5.7L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1961 | Chevrolet | Impala | — | 5.7L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1961 | Chrysler | 300 | — | 6.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1961 | Chrysler | 300 | — | 6.8L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1961 | Pontiac | Laurentian | — | 5.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1961 | Pontiac | Parisienne | — | 5.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1960 | Chevrolet | Bel Air | — | 5.7L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1960 | Chevrolet | El Camino | — | 5.7L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1960 | Chevrolet | Impala | — | 5.7L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1960 | Chrysler | 300 | — | 6.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1960 | Chrysler | 300 | — | 6.8L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1960 | Dodge | Dart | — | 2.8L | L6 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1960 | Pontiac | Laurentian | — | 5.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1960 | Pontiac | Parisienne | — | 5.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1959 | Chevrolet | Bel Air | — | 5.7L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1959 | Chevrolet | El Camino | — | 5.7L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1959 | Chevrolet | Impala | — | 5.7L | V8 | — | N/A | Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1959 | Chrysler | 300 | — | 6.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1959 | Chrysler | 300 | — | 6.8L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1959 | Pontiac | Laurentian | — | 5.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1959 | Pontiac | Parisienne | — | 5.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1958 | Chevrolet | Bel Air | — | 5.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1958 | Chevrolet | Impala | — | 5.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1958 | Chrysler | 300 | — | 6.4L | V8 | — | N/A | Model # C300; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1958 | Chrysler | Imperial | — | 6.4L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1958 | Chrysler | New Yorker | — | 6.4L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1958 | Chrysler | Newport | — | 6.4L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1958 | Chrysler | Newport | — | 5.8L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1958 | Chrysler | Town & Country | — | 6.4L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1958 | Chrysler | Town & Country | — | 5.8L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1958 | Dodge | Lancer | — | 5.3L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1958 | Dodge | Lancer | — | 5.9L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1958 | Dodge | Lancer | — | 5.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1958 | Pontiac | Laurentian | — | 5.7L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1957 | Chrysler | 300 | — | 6.4L | V8 | — | N/A | Model # C300; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1957 | Chrysler | Imperial | — | 6.4L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1957 | Chrysler | New Yorker | — | 6.4L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1957 | Chrysler | Newport | — | 5.8L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1957 | Chrysler | Town & Country | — | 6.4L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1957 | Chrysler | Town & Country | — | 5.8L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1957 | Dodge | Lancer | — | 5.3L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1957 | Dodge | Lancer | — | 5.8L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1956 | Chrysler | 300 | — | 5.8L | V8 | — | N/A | Model # C300; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1956 | Chrysler | Imperial | — | 5.8L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1956 | Chrysler | New Yorker | — | 5.8L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1956 | Chrysler | Newport | — | 5.8L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1956 | Chrysler | Town & Country | — | 5.8L | V8 | — | N/A | 3/4 (in) Reach Spark Plugs; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| 1955 | Chrysler | 300 | — | 5.4L | V8 | — | N/A | Model # C300; Resistor Type; Gap 0.035 (in); Plug Type Number RN12YC; Copper Plus |
| No rows match your filter. | ||||||||
Directly replaces or cross-references 66 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 4218AMS Automotive — 4219AMS Automotive — 4220AMS Automotive — 4404Anchor — 3028Anchor — 3436Anchor — 3573Anchor — 8008Autolite — 65Autolite — 4265Bosch — 7905Carlson — 7506Carlson — 7922Champion Spark Plug — 9007MOOG Driveline Products — 496OSC — 4424TYC — 39875A65R6A14GR4214R8DU40917135213693750783775114437932066759323092795114437531029742AGR32CAGR42AGR42CAGR52AGS32CAGS42AGS42CAGS52CBPR4EBPR4EVXBPR5ESBPR5ES11BPR5EYBPR5EY11ETC7244F4RFF5RTCF5TCON12YPGR5APGR5A11R43XLSRN12GYRN12YRN12YCW8DC0W8LCRW125TR30W145TR30WR8DWR8DCWR8DPWR8DPXWR9DCWR9DCXWR10LCXN12Y