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Champion 19 Spark Plug
| Brand | Champion 19 |
|---|---|
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Tip Material | Nickel |
| Ground Electrode Quantity | 1 |
| Insulator Height | 0.12 |
| Manufacturer Heat Range | 19 |
| Seat Type | Tapered |
| Reach | 0.441 |
| Thread Diameter | 0.551 |
| Thread Diameter | 14.000 |
| Resistor Type | Yes |
| Hex Type | Hex |
| Center Electrode Diameter (Inch) | 0.1 |
| Classification | Champion copper plus |
| Ground Electrode Material | Nickel copper alloy |
| Hex Size | 0.625 |
| Hex Size | 15.880 |
| Installed Height (Inch) | 2.28 |
| Insulator Projection (Inch) | 0.12 |
| Plug Type | Rv19yc |
| Taper Diameter (Inch) | 0.31 |
| Product line | Copper Plus |
| Fits | Chevrolet, GMC, Oldsmobile, and Pontiac · 22 vehicles |
Copper core electrode. Delivers strong conductivity and heat control for steady wear.
Nickel center electrode. Supports dependable performance and consistent ignition.
Tapered seat design. Provides a precise spark plug fit and secure sealing.
Cross-references Airtex Fuel Pumps 4206, AMS Automotive 4006 and DENSO Auto Parts 4019 for the same application. See all 6.
Champion Copper Plus 19 Spark Plug
Champion Copper Plus 19 is a tapered-seat spark plug built for dependable ignition performance and steady heat control. Its copper core electrode improves conductivity, while nickel-based electrode materials support consistent wear characteristics for everyday driving and OE-style service.
Key Features
- Copper core electrode for improved conductivity and heat transfer
- Nickel center electrode tip and nickel ground electrode core material
- Tapered seat design with 14 mm thread diameter and 0.441 in reach
- Resistor-type plug for reduced electrical noise
- Non-removable nut terminal and 0.625 in hex size
- Champion Copper Plus line for OE-style ignition service
Product Details
This Champion spark plug, part number 19, is part of the Copper Plus line and is identified as plug type RV19YC. The copper core design helps move heat away from the firing end more efficiently, supporting stable combustion and reliable wear over time. With a tapered seat, nickel center electrode tip, nickel copper alloy ground electrode, and resistor construction, this plug is suited for vehicles that call for an OE-type secondary ignition component.
Compatible applications include classic Chevrolet and GMC trucks, vans, and passenger cars, along with select Pontiac and Oldsmobile models. Fits 1978-1979 Chevrolet El Camino, N/A; Fits 1976 Oldsmobile Cutlass Supreme, N/A; Fits 1973 Chevrolet K20 Suburban, N/A; Fits 1971 Chevrolet K20 Suburban, N/A; Fits 1971 Chevrolet Bel Air, N/A; Fits 1971 Chevrolet Blazer, N/A; Fits 1971 Chevrolet C10 Suburban, N/A; Fits 1971 Chevrolet C20 Suburban, N/A; Fits 1971 Chevrolet Camaro, N/A; Fits 1971 Chevrolet Caprice, N/A; Fits 1970-1971 Chevrolet El Camino, N/A; Fits 1971 Chevrolet Impala, N/A; Fits 1971 Chevrolet K10 Suburban, N/A; Fits 1971 Chevrolet Nova, N/A; Fits 1971 GMC G15/G1500 Van, N/A; Fits 1971 GMC G25/G2500 Van, N/A; Fits 1971 GMC G35/G3500 Van, N/A; Fits 1971 GMC Jimmy, N/A; Fits 1970 Pontiac Acadian, N/A; Fits 1970 Pontiac Parisienne, N/A.
This part cross-references DENSO Auto Parts 4019 and Airtex Fuel Pumps 4206 for the same application.
Common Uses
- Rough idle caused by worn or fouled spark plugs
- Hard starting from weak ignition output
- Misfire conditions related to aged secondary ignition components
- Loss of throttle response from inconsistent spark delivery
- Maintenance replacement for OE-style ignition service
Installation Notes and Tips
Verify the plug type, tapered seat, 14 mm thread diameter, 0.441 in reach, and heat range 19 before installation. Check the specified gap for the exact vehicle application listed in the fitment notes, and confirm the ignition system is in good condition before final assembly. Use the vehicle service specification for tightening and gap setting.
Quality Assurance
Champion Copper Plus spark plugs are built around a copper core electrode and nickel electrode materials to support dependable performance and controlled heat transfer in service.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1979 | Chevrolet | El Camino | 3.3L | V6 | N/A | OE Type; Gap 0.045 (in); Plug Type Number RV19YC; Copper Plus |
| 1978 | Chevrolet | El Camino | 3.3L | V6 | N/A | OE Type; Gap 0.045 (in); Plug Type Number RV19YC; Copper Plus |
| 1976 | Oldsmobile | Cutlass Supreme | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1973 | Chevrolet | K20 Suburban | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | Chevrolet | Bel Air | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | Chevrolet | Blazer | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | Chevrolet | C10 Suburban | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | Chevrolet | C20 Suburban | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | Chevrolet | Camaro | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | Chevrolet | Caprice | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | Chevrolet | El Camino | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | Chevrolet | Impala | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | Chevrolet | K10 Suburban | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | Chevrolet | K20 Suburban | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | Chevrolet | Nova | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | GMC | G15/G1500 Van | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | GMC | G25/G2500 Van | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | GMC | G35/G3500 Van | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1971 | GMC | Jimmy | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1970 | Chevrolet | El Camino | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1970 | Pontiac | Acadian | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
| 1970 | Pontiac | Parisienne | 4.1L | L6 | N/A | OE Type; Gap 0.035 (in); Plug Type Number RV19YC; Copper Plus |
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