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ChampionPart #: 426
Champion 426 Spark Plug
⚙️ 56 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Copper Plus
🚗Fitment: Acura, Chevrolet, Chrysler, Dodge, Honda, Jaguar, Mitsubishi, Plymouth, and Toyota, Avenger, Camry, Caprice, Civic, Civic del Sol, Corvette, CR-Z, Eclipse, Integra, Neon, Sebring, Vanden Plas, XJR, and XKR
🔄Easy Returns — Return within 60 days for a full refund
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Champion 426 Spark Plug
| Brand | Champion |
| Part Number | 426 |
| Position | Copper Plus |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Tip Material | Nickel |
| Ground Electrode Quantity | 1 |
| Insulator Height | 0.06 |
| Manufacturer Heat Range | 9 |
| Seat Type | Flat |
| Reach | 0.75 |
| Thread Diameter | 0.551 |
| Thread Diameter | 14.000 |
| Resistor Type | Yes |
| Hex Type | Hex |
| Classification | Champion copper plus |
| Hex Size | 0.625 |
| Hex Size | 15.880 |
| Plug Type | Rc9yc5 |
This part fits 56 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2016 | Honda | CR-Z | 1.5L | L4 | N/A | Gap 0.052 (in); Plug Type Number RC9YC5; Copper Plus | |
| 2015 | Honda | CR-Z | 1.5L | L4 | N/A | Gap 0.052 (in); Plug Type Number RC9YC5; Copper Plus | |
| 2014 | Honda | CR-Z | 1.5L | L4 | N/A | Gap 0.052 (in); Plug Type Number RC9YC5; Copper Plus | |
| 2013 | Honda | CR-Z | 1.5L | L4 | N/A | Gap 0.052 (in); Plug Type Number RC9YC5; Copper Plus | |
| 2012 | Honda | CR-Z | 1.5L | L4 | N/A | Gap 0.052 (in); Plug Type Number RC9YC5; Copper Plus | |
| 2011 | Honda | CR-Z | 1.5L | L4 | N/A | Gap 0.052 (in); Plug Type Number RC9YC5; Copper Plus | |
| 2003 | Jaguar | Vanden Plas | 4.0L | V8 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 2003 | Jaguar | XJR | 4.0L | V8 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 2003 | Jaguar | XKR | 4.2L | V8 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 2002 | Jaguar | XJR | 4.0L | V8 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 2001 | Acura | Integra | 1.8L | L4 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 2001 | Jaguar | XJR | 4.0L | V8 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 2000 | Acura | Integra | 1.8L | L4 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 2000 | Honda | Civic | 1.6L | L4 | N/A | Gap 0.052 (in); Plug Type Number RC9YC5; Copper Plus | |
| 2000 | Jaguar | XJR | 4.0L | V8 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1999 | Acura | Integra | 1.8L | L4 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1999 | Chrysler | Sebring | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1999 | Dodge | Avenger | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1999 | Honda | Civic | 1.6L | L4 | N/A | Gap 0.052 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1999 | Jaguar | XJR | 4.0L | V8 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1999 | Mitsubishi | Eclipse | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1998 | Acura | Integra | 1.8L | L4 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1998 | Chrysler | Sebring | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1998 | Dodge | Avenger | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1998 | Jaguar | XJR | 4.0L | V8 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1998 | Mitsubishi | Eclipse | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1997 | Acura | Integra | 1.8L | L4 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1997 | Chrysler | Sebring | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1997 | Dodge | Avenger | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1997 | Honda | Civic del Sol | 1.6L | L4 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1997 | Mitsubishi | Eclipse | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1996 | Acura | Integra | 1.8L | L4 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1996 | Chrysler | Sebring | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1996 | Dodge | Avenger | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1996 | Honda | Civic del Sol | 1.6L | L4 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1995 | Acura | Integra | 1.8L | L4 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1995 | Chrysler | Sebring | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1995 | Dodge | Avenger | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1995 | Dodge | Neon | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1995 | Honda | Civic del Sol | 1.6L | L4 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1995 | Mitsubishi | Eclipse | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1995 | Plymouth | Neon | 2.0L | L4 | N/A | Gap 0.050 (in); Actual OE Part; Plug Type Number RC9YC5; Copper Plus | |
| 1994 | Acura | Integra | 1.8L | L4 | N/A | OE Type; Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1994 | Honda | Civic del Sol | 1.6L | L4 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1993 | Acura | Integra | 1.7L | L4 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1993 | Toyota | Camry | 3.0L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1992 | Acura | Integra | 1.7L | L4 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1992 | Chevrolet | Corvette | 5.7L | V8 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1992 | Toyota | Camry | 3.0L | V6 | N/A | Gap 0.044 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1991 | Chevrolet | Corvette | ZR-1 | 5.7L | V8 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus |
| 1990 | Chevrolet | Caprice | 5.0L | V8 | N/A | Gap 0.060 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1990 | Chevrolet | Corvette | ZR-1 | 5.7L | V8 | N/A | Gap 0.050 (in); Plug Type Number RC9YC5; Copper Plus |
| 1989 | Chevrolet | Caprice | 5.0L | V8 | N/A | OE Type; Gap 0.060 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1988 | Chevrolet | Caprice | 5.0L | V8 | N/A | OE Type; Gap 0.060 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1987 | Chevrolet | Caprice | 5.0L | V8 | N/A | OE Type; Gap 0.060 (in); Plug Type Number RC9YC5; Copper Plus | |
| 1986 | Chevrolet | Caprice | 5.0L | V8 | N/A | Gap 0.060 (in); Plug Type Number RC9YC5; Copper Plus |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
5369556784RC9YC5
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.