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Champion 346 Spark Plug
| Brand | Champion 346 |
|---|---|
| Center Electrode Tip Material | Nickel |
| Classification | Champion Copper Plus |
| Electrical Terminal Type | Non-Removable Nut |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Hex Size | 0.625 |
| Hex Size | 15.880 |
| Hex Type | Hex |
| Insulator Height | 0.06 |
| Manufacturer Heat Range | 10 |
| Plug Type | RC10YC4 |
| Pre-Gap Size | 0.041 |
| Pre-Gap Size | 1.05 |
| Reach | 0.75 |
| Resistor Type | Yes |
| Seat Type | Flat |
| Thread Diameter | 0.551 |
| Thread Diameter | 14.000 |
| Product line | Copper Plus |
| Fits | Honda, Audi, Hyundai, Kia, Subaru, Land Rover, Mitsubishi, Toyota, Chevrolet, Pontiac, Suzuki, Saab, Chrysler, Dodge, Mazda, Porsche, Nissan, Acura, Isuzu, and Daewoo · 255 vehicles |
Copper core electrode. Improves conductivity and heat control for dependable performance.
Nickel electrode materials. Support consistent wear and reliable ignition performance.
Resistor type. Helps reduce electrical noise in the ignition system.
Cross-references AP Exhaust 2075, Autolite 3923 and BBB Industries 5838 for the same application. See all 23.
Champion Copper Plus 346 Spark Plug
Champion Copper Plus 346 is a replacement spark plug built for dependable ignition performance across a wide range of import and domestic applications. Its copper core electrode supports conductivity and heat control, while the nickel center and ground electrode materials help deliver consistent wear characteristics for everyday driving.
Compatible With vehicles such as the Toyota Prius, Hyundai Elantra, and Subaru Legacy, this plug is a direct-fit option for many OE-style secondary ignition service jobs. The Champion 346 spark plug is also cross-referenced to NGK 7556 for the same application.
Key Features
- Copper core electrode for improved conductivity and heat management
- Nickel center electrode tip and nickel ground electrode core material
- Pre-gapped at 0.041 in. / 1.05 mm
- Resistor plug design for standard ignition system operation
- Flat seat with 14 mm thread diameter and 0.75 in. reach
- Non-removable nut terminal and 5/8 in. hex size
- Champion Copper Plus classification for routine replacement service
Product Details
The Champion Copper Plus line focuses on practical, OE-style spark plug service with a copper core for stable electrical transfer and heat control. Part number 346 is specified as RC10YC4 and is used in a broad range of applications including Toyota Corolla, Toyota Prius, Hyundai Sonata, Kia Optima, Subaru Impreza, Chevrolet Aveo, and Audi S5 fitments. For drivers servicing a Toyota Prius spark plug replacement, a Hyundai Elantra tune-up, or a Subaru Legacy ignition refresh, this plug provides the correct style and dimensions for listed applications.
Common Issues This Spark Plug Can Address
- Hard starting caused by worn or fouled spark plugs
- Rough idle from inconsistent spark delivery
- Misfire symptoms related to aged secondary ignition components
- Reduced fuel economy from degraded plug performance
- Loss of throttle response during routine maintenance intervals
Installation Notes and Tips
- Verify vehicle-specific fitment before installation, since gap requirements vary by application.
- Check the listed gap for the exact year, make, and model; many applications call for 0.044 in., while some use 0.040 in. or 0.043 in.
- Confirm the plug type RC10YC4, 14 mm thread diameter, 0.75 in. reach, and flat seat match the engine specification.
- Use proper torque procedures and inspect ignition wires or coils during service.
- For vehicles such as the Toyota Corolla, Hyundai Sonata, and Subaru Outback, follow the manufacturer service specification for final gap and torque settings.
Quality Assurance
Champion manufactures the Copper Plus 346 as a standard replacement spark plug for listed OE-style applications. The copper core design, nickel electrode materials, and resistor construction support consistent service performance in the vehicles shown in the fitment data.
- Fits 2010-2012 Audi S5, N/A
- Fits 2012 Hyundai Elantra, N/A
- Fits 2004-2010 Hyundai Elantra, N/A
- Fits 2007-2011 Hyundai Azera, N/A
- Fits 2011 Hyundai Elantra, N/A
- Fits 2010-2011 Kia Soul, N/A
- Fits 2006-2010 Hyundai Sonata, N/A
- Fits 2010 Subaru Legacy, N/A
- Fits 2003-2009 Hyundai Santa Fe, N/A
- Fits 2005-2009 Hyundai Tucson, N/A
- Fits 2008-2009 Kia Sorento, N/A
- Fits 2005-2009 Kia Spectra, N/A
- Fits 2005-2009 Kia Spectra5, N/A
- Fits 2006-2009 Land Rover Range Rover, N/A
- Fits 2004-2009 Mitsubishi Galant, N/A
- Fits 1999-2000 Mitsubishi Galant, N/A
- Fits 2001-2009 Toyota Prius, N/A
- Fits 2007-2008 Chevrolet Aveo, N/A
- Fits 2006-2008 Chevrolet Aveo5, N/A
- Fits 2007-2008 Pontiac Wave, N/A
- Fits 2006-2008 Suzuki Grand Vitara, N/A
- Fits 2007-2008 Suzuki Swift+, N/A
- Fits 2005-2007 Pontiac Wave5, N/A
- Fits 2004-2006 Chevrolet Aveo, N/A
- Fits 2006 Hyundai Tiburon, N/A
- Fits 2005-2006 Kia Magentis, N/A
- Fits 2005-2006 Kia Optima, N/A
- Fits 2005-2006 Pontiac Wave, N/A
- Fits 2005-2006 Saab 9-2X, N/A
- Fits 2004-2006 Suzuki Swift+, N/A
- Fits 2005-2006 Suzuki XL-7, N/A
- Fits 2005-2006 Toyota Corolla, N/A
- Fits 2003-2006 Toyota Matrix, N/A
- Fits 2001-2005 Chrysler Sebring, N/A
- Fits 2001-2005 Dodge Stratus, N/A
- Fits 2003-2005 Hyundai XG350, N/A
- Fits 2004-2005 Mazda 3, N/A
- Fits 2004-2005 Porsche Carrera GT, N/A
- Fits 2002-2005 Subaru Impreza, N/A
- Fits 2000-2005 Toyota Celica, N/A
- Fits 2001-2004 Nissan Frontier, N/A
- Fits 2001-2004 Nissan Xterra, N/A
- Fits 2003-2004 Subaru Baja, N/A
- Fits 2001-2004 Subaru Legacy, N/A
- Fits 2001-2004 Subaru Outback, N/A
- Fits 2002-2003 Acura RSX, N/A
- Fits 2003 Isuzu Rodeo, N/A
- Fits 1993-1995 Isuzu Rodeo, N/A
- Fits 2003 Isuzu Rodeo Sport, N/A
- Fits 2002-2003 Toyota Camry, N/A
- Fits 2001-2003 Toyota Highlander, N/A
- Fits 1998-2003 Toyota Land Cruiser, N/A
- Fits 1998-2002 Chevrolet Tracker, N/A
- Fits 1996-2002 Kia Sportage, N/A
- Fits 2001 Nissan Frontier, N/A
- Fits 1995-2001 Subaru Impreza, N/A
- Fits 2000 Chrysler Cirrus, N/A
- Fits 2000 Chrysler Sebring, N/A
- Fits 2000 Dodge Avenger, N/A
- Fits 2000 Dodge Stratus, N/A
- Fits 2000 Mitsubishi Eclipse, N/A
- Fits 1990-2000 Subaru Legacy, N/A
- Fits 2000 Subaru Outback, N/A
- Fits 1997-1999 Honda Passport, N/A
- Fits 1995-1999 Hyundai Accent, N/A
- Fits 1999 Subaru Forester, N/A
- Fits 1999 Subaru Impreza, N/A
- Fits 1999 Suzuki Grand Vitara, N/A
- Fits 1997-1998 Mitsubishi Montero Sport, N/A
- Fits 1994-1997 Toyota Previa, N/A
- Fits 1994-1996 Honda Passport, N/A
- Fits 1995 Kia Sportage, N/A
- Fits 1990-1995 Nissan Pathfinder, N/A
- Fits 1992 Isuzu Stylus, N/A
- Fits 1987 Nissan Pulsar NX, N/A
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Audi | S5 | 3.0L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2012 | Hyundai | Elantra | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2011 | Audi | S5 | 3.0L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2011 | Hyundai | Azera | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2011 | Hyundai | Elantra | 2.0L | L4 | N/A | Gap 0.044 (in); Non-Hatchback Models; Plug Type Number RC10YC4; Copper Plus |
| 2011 | Kia | Soul | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2010 | Audi | S5 | 3.0L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2010 | Hyundai | Azera | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2010 | Hyundai | Elantra | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2010 | Hyundai | Sonata | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2010 | Kia | Soul | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2010 | Subaru | Legacy | 2.5L | H4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2009 | Hyundai | Azera | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2009 | Hyundai | Elantra | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2009 | Hyundai | Santa Fe | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2009 | Hyundai | Sonata | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2009 | Hyundai | Tucson | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2009 | Kia | Sorento | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2009 | Kia | Spectra | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2009 | Kia | Spectra5 | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2009 | Land Rover | Range Rover | 4.4L | V8 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2009 | Mitsubishi | Galant | 3.8L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2009 | Toyota | Prius | 1.5L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Chevrolet | Aveo | 1.6L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Chevrolet | Aveo5 | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Hyundai | Azera | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Hyundai | Elantra | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Hyundai | Santa Fe | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Hyundai | Sonata | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Hyundai | Tucson | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Kia | Sorento | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Kia | Spectra | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Kia | Spectra5 | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Land Rover | Range Rover | 4.4L | V8 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Mitsubishi | Galant | 3.8L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Pontiac | Wave | 1.6L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Suzuki | Grand Vitara | 2.7L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Suzuki | Swift+ | 1.6L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2008 | Toyota | Prius | 1.5L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Chevrolet | Aveo | 1.6L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Chevrolet | Aveo5 | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Hyundai | Azera | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Hyundai | Elantra | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Hyundai | Santa Fe | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Hyundai | Sonata | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Hyundai | Tucson | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Kia | Spectra | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Kia | Spectra5 | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Land Rover | Range Rover | 4.4L | V8 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Mitsubishi | Galant | 3.8L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Pontiac | Wave | 1.6L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Pontiac | Wave5 | 1.6L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Suzuki | Grand Vitara | 2.7L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Suzuki | Swift+ | 1.6L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2007 | Toyota | Prius | 1.5L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Chevrolet | Aveo | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Chevrolet | Aveo5 | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Hyundai | Elantra | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Hyundai | Santa Fe | 3.5L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Hyundai | Santa Fe | 2.7L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Hyundai | Sonata | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Hyundai | Tiburon | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Hyundai | Tucson | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Kia | Magentis | 2.7L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Kia | Optima | 2.7L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Kia | Spectra | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Kia | Spectra5 | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Land Rover | Range Rover | 4.4L | V8 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Mitsubishi | Galant | 3.8L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Pontiac | Wave | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Pontiac | Wave5 | 1.6L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Saab | 9-2X | 2.5L | H4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Suzuki | Grand Vitara | 2.7L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Suzuki | Swift+ | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Suzuki | XL-7 | 2.7L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Toyota | Corolla | 1.8L | L4 | N/A | Gap 0.043 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Toyota | Matrix | 1.8L | L4 | N/A | Gap 0.043 (in); Plug Type Number RC10YC4; Copper Plus |
| 2006 | Toyota | Prius | 1.5L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Chevrolet | Aveo | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Chrysler | Sebring | 2.4L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2005 | Chrysler | Sebring | 3.0L | V6 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Dodge | Stratus | 2.4L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2005 | Dodge | Stratus | 3.0L | V6 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Hyundai | Elantra | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Hyundai | Santa Fe | 3.5L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Hyundai | Tucson | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Hyundai | XG350 | 3.5L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Kia | Magentis | 2.7L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Kia | Optima | 2.7L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Kia | Spectra | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Kia | Spectra5 | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Mazda | 3 | 2.0L | L4 | N/A | Gap 0.052 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Mitsubishi | Galant | 3.8L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Pontiac | Wave | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Pontiac | Wave5 | 1.6L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Porsche | Carrera GT | 5.7L | V10 | N/A | OE Type; Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Saab | 9-2X | 2.5L | H4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Subaru | Impreza | 2.0L | H4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Suzuki | Swift+ | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Suzuki | XL-7 | 2.7L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Toyota | Celica | 1.8L | L4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Toyota | Corolla | 1.8L | L4 | N/A | Gap 0.043 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Toyota | Matrix | 1.8L | L4 | N/A | Gap 0.043 (in); Plug Type Number RC10YC4; Copper Plus |
| 2005 | Toyota | Prius | 1.5L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Chevrolet | Aveo | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Chrysler | Sebring | 2.4L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2004 | Chrysler | Sebring | 3.0L | V6 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Dodge | Stratus | 2.4L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2004 | Dodge | Stratus | 3.0L | V6 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Hyundai | Elantra | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Hyundai | Santa Fe | 3.5L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Hyundai | XG350 | 3.5L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Mazda | 3 | 2.0L | L4 | N/A | Gap 0.052 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Mitsubishi | Galant | 3.8L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Nissan | Frontier | 2.4L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Nissan | Frontier | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Nissan | Xterra | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Porsche | Carrera GT | 5.7L | V10 | N/A | OE Type; Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Subaru | Baja | 2.5L | H4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2004 | Subaru | Impreza | 2.0L | H4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Subaru | Legacy | 2.5L | H4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2004 | Subaru | Outback | 2.5L | H4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2004 | Suzuki | Swift+ | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Toyota | Celica | 1.8L | L4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Toyota | Matrix | 1.8L | L4 | N/A | Gap 0.043 (in); Plug Type Number RC10YC4; Copper Plus |
| 2004 | Toyota | Prius | 1.5L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Acura | RSX | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Chrysler | Sebring | 2.4L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2003 | Chrysler | Sebring | 3.0L | V6 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Dodge | Stratus | 2.4L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2003 | Dodge | Stratus | 3.0L | V6 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Hyundai | Santa Fe | 3.5L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Hyundai | XG350 | 3.5L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Isuzu | Rodeo | 2.2L | L4 | N/A | OE Type; Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Isuzu | Rodeo Sport | 2.2L | L4 | N/A | OE Type; Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Nissan | Frontier | 2.4L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Nissan | Frontier | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Nissan | Xterra | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Subaru | Baja | 2.5L | H4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2003 | Subaru | Impreza | 2.0L | H4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Subaru | Legacy | 2.5L | H4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2003 | Subaru | Outback | 2.5L | H4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2003 | Toyota | Camry | 2.4L | L4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Toyota | Celica | 1.8L | L4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Toyota | Highlander | 2.4L | L4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Toyota | Highlander | 3.0L | V6 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Toyota | Land Cruiser | 4.7L | V8 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Toyota | Matrix | 1.8L | L4 | N/A | Gap 0.043 (in); Plug Type Number RC10YC4; Copper Plus |
| 2003 | Toyota | Prius | 1.5L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Acura | RSX | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Chevrolet | Tracker | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Chrysler | Sebring | 2.4L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2002 | Chrysler | Sebring | 3.0L | V6 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Dodge | Stratus | 2.4L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2002 | Dodge | Stratus | 3.0L | V6 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Kia | Sportage | 2.0L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Nissan | Frontier | 2.4L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Nissan | Frontier | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Nissan | Xterra | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Subaru | Impreza | 2.0L | H4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Subaru | Legacy | 2.5L | H4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2002 | Subaru | Outback | 2.5L | H4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2002 | Toyota | Camry | 2.4L | L4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Toyota | Celica | 1.8L | L4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Toyota | Highlander | 2.4L | L4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Toyota | Highlander | 3.0L | V6 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Toyota | Land Cruiser | 4.7L | V8 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2002 | Toyota | Prius | 1.5L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2001 | Chevrolet | Tracker | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2001 | Chrysler | Sebring | 2.4L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2001 | Chrysler | Sebring | 3.0L | V6 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2001 | Dodge | Stratus | 2.4L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2001 | Dodge | Stratus | 3.0L | V6 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2001 | Kia | Sportage | 2.0L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2001 | Nissan | Frontier | 2.4L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2001 | Nissan | Frontier | 3.3L | V6 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2001 | Nissan | Xterra | 3.3L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2001 | Subaru | Impreza | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2001 | Subaru | Legacy | 2.5L | H4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2001 | Subaru | Outback | 2.5L | H4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 2001 | Toyota | Celica | 1.8L | L4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2001 | Toyota | Highlander | 2.4L | L4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2001 | Toyota | Highlander | 3.0L | V6 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2001 | Toyota | Land Cruiser | 4.7L | V8 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2001 | Toyota | Prius | 1.5L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2000 | Chevrolet | Tracker | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2000 | Chrysler | Cirrus | 2.5L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2000 | Chrysler | Sebring | 2.5L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2000 | Dodge | Avenger | 2.5L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2000 | Dodge | Stratus | 2.5L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2000 | Kia | Sportage | 2.0L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2000 | Mitsubishi | Eclipse | 3.0L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2000 | Mitsubishi | Galant | 3.0L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2000 | Subaru | Impreza | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2000 | Subaru | Legacy | 2.5L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2000 | Subaru | Outback | 2.5L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 2000 | Toyota | Celica | 1.8L | L4 | N/A | Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 2000 | Toyota | Land Cruiser | 4.7L | V8 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1999 | Chevrolet | Tracker | 2.0L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1999 | Chevrolet | Tracker | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1999 | Honda | Passport | 3.2L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1999 | Hyundai | Accent | 1.5L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 1999 | Kia | Sportage | 2.0L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1999 | Mitsubishi | Galant | 3.0L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1999 | Subaru | Forester | 2.5L | H4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 1999 | Subaru | Impreza | 2.5L | H4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 1999 | Subaru | Impreza | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1999 | Subaru | Legacy | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1999 | Suzuki | Grand Vitara | 2.5L | V6 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1999 | Toyota | Land Cruiser | 4.7L | V8 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1998 | Chevrolet | Tracker | 1.6L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1998 | Honda | Passport | 3.2L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1998 | Hyundai | Accent | 1.5L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 1998 | Kia | Sportage | 2.0L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1998 | Mitsubishi | Montero Sport | 3.0L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1998 | Subaru | Impreza | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1998 | Subaru | Legacy | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1998 | Toyota | Land Cruiser | 4.7L | V8 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1997 | Honda | Passport | 3.2L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1997 | Hyundai | Accent | 1.5L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 1997 | Kia | Sportage | 2.0L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1997 | Mitsubishi | Montero Sport | 3.0L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1997 | Subaru | Impreza | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1997 | Subaru | Legacy | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1997 | Toyota | Previa | 2.4L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1996 | Honda | Passport | 3.2L | V6 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1996 | Hyundai | Accent | 1.5L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 1996 | Kia | Sportage | 2.0L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1996 | Subaru | Impreza | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1996 | Subaru | Legacy | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1996 | Toyota | Previa | 2.4L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1995 | Honda | Passport | 3.2L | V6 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1995 | Hyundai | Accent | 1.5L | L4 | N/A | Gap 0.044 (in); Actual OE Part; Plug Type Number RC10YC4; Copper Plus |
| 1995 | Isuzu | Rodeo | 3.2L | V6 | N/A | OE Type; Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 1995 | Kia | Sportage | 2.0L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1995 | Nissan | Pathfinder | 3.0L | V6 | N/A | OE Type; Gap 0.032 (in); Plug Type Number RC10YC4; Copper Plus |
| 1995 | Subaru | Impreza | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1995 | Subaru | Legacy | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1995 | Toyota | Previa | 2.4L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1994 | Honda | Passport | 3.2L | V6 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1994 | Isuzu | Rodeo | 3.2L | V6 | N/A | OE Type; Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 1994 | Nissan | Pathfinder | 3.0L | V6 | N/A | OE Type; Gap 0.032 (in); Plug Type Number RC10YC4; Copper Plus |
| 1994 | Subaru | Legacy | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1994 | Toyota | Previa | 2.4L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1993 | Isuzu | Rodeo | 3.2L | V6 | N/A | OE Type; Gap 0.040 (in); Plug Type Number RC10YC4; Copper Plus |
| 1993 | Nissan | Pathfinder | 3.0L | V6 | N/A | OE Type; Gap 0.032 (in); Plug Type Number RC10YC4; Copper Plus |
| 1993 | Subaru | Legacy | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1992 | Isuzu | Stylus | 1.8L | L4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1992 | Nissan | Pathfinder | 3.0L | V6 | N/A | OE Type; Gap 0.032 (in); Plug Type Number RC10YC4; Copper Plus |
| 1992 | Subaru | Legacy | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1991 | Nissan | Pathfinder | 3.0L | V6 | N/A | OE Type; Gap 0.032 (in); Plug Type Number RC10YC4; Copper Plus |
| 1991 | Subaru | Legacy | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1990 | Nissan | Pathfinder | 3.0L | V6 | N/A | OE Type; Gap 0.032 (in); Plug Type Number RC10YC4; Copper Plus |
| 1990 | Subaru | Legacy | 2.2L | H4 | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
| 1987 | Nissan | Pulsar NX | 1.6L | L4 | N/A | Gap 0.044 (in); Plug Type Number RC10YC4; Copper Plus |
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