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Champion 9802 Spark Plug
| Brand | Champion 9802 |
|---|---|
| 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 |
| Product line | Champion Iridium |
| Fits | Lotus, Lamborghini, Dodge, Subaru, and Chevrolet · 16 vehicles |
Iridium center electrode. Fine-wire design sharpens spark focus for stronger performance.
Platinum ground electrode. Helps deliver a precise, consistent spark.
Champion Iridium. A performance-focused spark plug line from Champion.
Cross-references AMS Automotive 4919, AMS Automotive 6418 and Anchor 3403 for the same application. See all 53.
Champion Iridium 9802 Spark Plug Overview
Champion Iridium 9802 is a secondary ignition spark plug built with a fine-wire iridium center electrode and a platinum ground electrode for a focused spark event. It is a direct-fit style plug for select applications, including 2004-2009 Lamborghini Gallardo, 2005-2007 Dodge Dakota, 1991-1994 Subaru Legacy, and 1990-1992 Chevrolet Corvette.
Champion Iridium is the product line for drivers who want iridium-center-electrode construction paired with platinum ground-electrode durability. The 9802 follows that formula with a J-gap design, resistor construction, and OE-style dimensions for the listed applications.
Key Features
- Fine-wire iridium center electrode for sharp spark focus
- Platinum ground electrode with J-gap design
- Resistor spark plug for ignition noise control
- Pre-gapped at 0.041 in (1.05 mm)
- Flat seat design with 14 mm thread diameter and 0.75 in reach
- Champion Iridium classification, part number 9802
Detailed Product Description
Champion 9802 uses an iridium center electrode and a platinum ground electrode to support consistent ignition performance in the specified vehicles. The plug’s 0.103 in center electrode diameter, 0.625 in hex size, and non-removable nut terminal reflect a conventional OE-style spark plug layout. With a manufacturer heat range of 8 and a flat seat, this plug is built to match the listed engine requirements for applications such as the Lamborghini Gallardo, Dodge Dakota, Subaru Legacy, and Chevrolet Corvette. The part number 9802 is also referenced by RC8WYPB4 applications.
This part cross-references Monroe Shocks & Struts (e.g., 5689) for the same application.
What This Spark Plug Helps Address
- Misfires caused by worn or eroded spark plug electrodes
- Hard starting related to weak or inconsistent spark output
- Rough idle from degraded ignition performance
- Reduced throttle response from aging secondary ignition components
- Service intervals where the original plug shows wear or fouling
Installation Notes and Fitment Tips
Verify plug type RC8WYPB4, thread diameter, reach, seat type, and gap before installation. The listed fitment includes 2004-2009 Lamborghini Gallardo, 2005-2007 Dodge Dakota, 1991-1994 Subaru Legacy, and 1990-1992 Chevrolet Corvette. For best results, confirm the engine specification against the vehicle’s service information before replacing the existing spark plugs.
- Fits 2004-2009 Lamborghini Gallardo, N/A; Gap 0.044 in; Plug Type Number RC8WYPB4; Champion Iridium
- Fits 2005-2007 Dodge Dakota, N/A; Gap 0.040 in; Plug Type Number RC8WYPB4; Champion Iridium
- Fits 1991-1994 Subaru Legacy, N/A; Gap 0.044 in; Plug Type Number RC8WYPB4; Champion Iridium
- Fits 1990-1992 Chevrolet Corvette, N/A; Gap 0.050 in; Plug Type Number RC8WYPB4; Champion Iridium
Quality Assurance
Champion is a recognized ignition brand, and the 9802 is built to the published Champion Iridium specifications for the listed applications. Confirm all dimensions and vehicle notes before installation to ensure the correct spark plug is selected for your engine.
| 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 |
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