OE Quality
60-Day Returns

Champion 9802 Spark Plug
Champion Iridium Spark Plug Overview
The Champion Iridium 9802 spark plug is engineered for reliable ignition performance in select Chevrolet, Dodge, Lamborghini, and Subaru vehicles. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.
- Iridium center electrode tip for enhanced durability
- Platinum ground electrode with J gap design
- Non-removable nut electrical terminal type
- Flat seat type with 0.75 inch reach
- Pre-set gap size of 0.041 inches (1.05 mm)
- Resistor type to reduce electrical interference
- Hex size 0.625 inch (15.88 mm) for installation
- Manufacturer heat range 8 for optimal thermal performance
Detailed Product Features and Specifications
The Champion Iridium 9802 spark plug features a center electrode tip made of iridium, a material known for its high melting point and wear resistance, which contributes to longer service life and stable ignition. The ground electrode uses a platinum pad surface with a J gap design, improving spark efficiency and reducing electrode wear. The spark plug has a flat seat type and a reach of 0.75 inches, ensuring proper fitment and sealing in compatible engines.
Additional technical attributes include a non-removable nut electrical terminal, a pre-gap size of 0.041 inches (1.05 mm), and a resistor to minimize radio frequency interference. The insulator height is 0.06 inches, and the plug features a hex size of 0.625 inches (15.88 mm) for standard installation tools. The heat range rating of 8 is suitable for maintaining optimal operating temperatures in the specified vehicle models.
Champion Iridium Product Line Details
The Champion Iridium line focuses on delivering spark plugs with iridium center electrodes combined with platinum ground electrodes to balance durability and ignition performance. This product line is designed to provide consistent spark delivery and extended service intervals, making it suitable for performance and daily driving applications. The 9802 part number is part of this line, offering a precise fit and reliable operation for select Chevrolet Corvette, Dodge Dakota, Lamborghini Gallardo, and Subaru Legacy models.
Applications and Problem Solving
- Improves ignition reliability in Chevrolet Corvette and Dodge Dakota engines
- Reduces misfires and rough idling in Lamborghini Gallardo and Subaru Legacy
- Enhances fuel efficiency through consistent spark delivery
- Minimizes electrode wear for longer service intervals
- Helps maintain stable engine performance under varied driving conditions
Installation Notes and Tips
- Verify compatibility with your vehicle’s make and model before installation
- Use a torque wrench to tighten the spark plug to manufacturer specifications
- Check and adjust the spark plug gap if necessary, though pre-gap is factory set at 0.041 inches
- Ensure the spark plug seat type matches the engine’s cylinder head (flat seat)
- Inspect ignition components for wear during replacement to maintain optimal performance
Quality Assurance and Warranty
Champion spark plugs, including the Iridium 9802, are manufactured to meet strict quality standards for durability and performance. The use of iridium and platinum materials ensures resistance to electrode erosion and stable ignition over time. While specific warranty details may vary, Champion products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Chevrolet, Dodge, Lamborghini, and Subaru vehicles.
| Brand | Champion |
|---|---|
| Part Number | 9802 |
| Position | Champion Iridium |
| Center Electrode Diameter (Inch) | 0.103 |
| Center Electrode Tip Material | Iridium |
| Classification | Champion Iridium |
| Electrical Terminal Type | Non-Removable Nut |
| Gap Style | J Gap |
| Ground Electrode Core Material | Platinum |
| Ground Electrode Material | Platinum Pad Surface |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | J Gap |
| Hex Size | 0.625 |
| Hex Size | 15.880 |
| Hex Type | Hex |
| Installed Height (Inch) | 1.99 |
| Insulator Height | 0.06 |
| Insulator Projection (Inch) | 0.06 |
| Manufacturer Heat Range | 8 |
| Plug Type | RC8WYPB4 |
| Pre-Gap Size | 0.041 |
| Pre-Gap Size | 1.05 |
| Reach | 0.75 |
| Resistor Type | Yes |
| Seat Type | Flat |
| Taper Diameter (Inch) | 0.27 |
| Thread Diameter | 0.551 |
| Thread Diameter | 14.000 |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2009 | Lamborghini | Gallardo | 5.0L | V10 | N/A | Gap 0.044 (in); Plug Type Number RC8WYPB4; Champion Iridium | ||
| 2008 | Lamborghini | Gallardo | 5.0L | V10 | N/A | Gap 0.044 (in); Plug Type Number RC8WYPB4; Champion Iridium | ||
| 2007 | Dodge | Dakota | 4.7L | V8 | GAS | N/A | Gap 0.040 (in); Plug Type Number RC8WYPB4; Champion Iridium | |
| 2007 | Lamborghini | Gallardo | 5.0L | V10 | N/A | Gap 0.044 (in); Plug Type Number RC8WYPB4; Champion Iridium | ||
| 2006 | Dodge | Dakota | 4.7L | V8 | N/A | Gap 0.040 (in); Plug Type Number RC8WYPB4; Champion Iridium | ||
| 2006 | Lamborghini | Gallardo | 5.0L | V10 | N/A | Gap 0.044 (in); Plug Type Number RC8WYPB4; Champion Iridium | ||
| 2005 | Dodge | Dakota | 4.7L | V8 | N/A | Gap 0.040 (in); Plug Type Number RC8WYPB4; Champion Iridium | ||
| 2005 | Lamborghini | Gallardo | 5.0L | V10 | N/A | Gap 0.044 (in); Plug Type Number RC8WYPB4; Champion Iridium | ||
| 2004 | Lamborghini | Gallardo | 5.0L | V10 | N/A | Gap 0.044 (in); Plug Type Number RC8WYPB4; Champion Iridium | ||
| 1994 | Subaru | Legacy | 2.2L | H4 | N/A | Gap 0.044 (in); Plug Type Number RC8WYPB4; Champion Iridium | ||
| 1993 | Subaru | Legacy | 2.2L | H4 | N/A | Gap 0.044 (in); Plug Type Number RC8WYPB4; Champion Iridium | ||
| 1992 | Chevrolet | Corvette | 5.7L | V8 | N/A | Gap 0.050 (in); Plug Type Number RC8WYPB4; Champion Iridium | ||
| 1992 | Subaru | Legacy | 2.2L | H4 | N/A | Gap 0.044 (in); Plug Type Number RC8WYPB4; Champion Iridium | ||
| 1991 | Chevrolet | Corvette | ZR-1 | 5.7L | V8 | N/A | Gap 0.050 (in); Plug Type Number RC8WYPB4; Champion Iridium | |
| 1991 | Subaru | Legacy | 2.2L | H4 | N/A | Gap 0.044 (in); Plug Type Number RC8WYPB4; Champion Iridium | ||
| 1990 | Chevrolet | Corvette | ZR-1 | 5.7L | V8 | N/A | Gap 0.050 (in); Plug Type Number RC8WYPB4; Champion Iridium |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.