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Champion 9812 Spark Plug
Reliable Ignition Performance for Honda Civic
The Champion Iridium 9812 spark plug is engineered to deliver consistent ignition and efficient combustion for Honda Civic models. Designed with advanced materials and precise specifications, this spark plug supports optimal engine performance and fuel efficiency.
- Iridium center electrode tip for enhanced durability
- Platinum ground electrode core material with J gap design
- Non-removable nut electrical terminal type
- Flat seat type with a reach of 0.866 inches
- Manufacturer heat range rating of 8 for balanced thermal performance
- Resistor type spark plug to reduce electrical noise
- Hex size of 0.625 inches (15.880 mm) for standard installation tools
Champion Iridium Product Line Overview
The Champion Iridium line focuses on combining iridium and platinum materials to provide spark plugs with improved wear resistance and stable ignition characteristics. The 9812 part number benefits from this technology, offering a longer service life and consistent spark delivery tailored for secondary ignition systems in vehicles like the Honda Civic.
Technical Details and Specifications
This spark plug features an iridium center electrode tip, known for its high melting point and resistance to erosion, which helps maintain a stable spark over time. The ground electrode uses a platinum core with a J gap design, optimizing the spark path and improving ignition reliability. The pre-gap size is set at 0.043 inches (1.10 mm), ensuring proper spark gap for efficient combustion. The flat seat type and 0.551 inch (14 mm) thread diameter provide secure fitment in compatible Honda Civic engines. Additionally, the resistor type reduces electromagnetic interference, supporting vehicle electronics.
Applications and Problem Solving
- Compatible with Honda Civic models requiring Champion Iridium spark plugs
- Addresses misfiring issues caused by worn or damaged spark plugs
- Helps improve fuel efficiency by ensuring consistent ignition
- Reduces engine hesitation and rough idling
- Supports stable combustion under various driving conditions
Installation Notes and Tips
When installing the Champion Iridium 9812 spark plug, ensure the engine is cool to prevent damage to the threads. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid over-tightening. The non-removable nut electrical terminal type requires compatible ignition wire connectors. Verify the pre-gap size before installation, although the plug comes pre-gapped at 0.043 inches (1.10 mm).
Quality Assurance and Warranty
Champion spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Champion Iridium 9812 spark plug undergoes rigorous testing to comply with OEM specifications for Honda Civic vehicles. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.
| Brand | Champion |
| Part Number | 9812 |
| Position | Champion Iridium |
| Ground Electrode Tip Design | J gap |
| Ground Electrode Core Material | Platinum |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Tip Material | Iridium |
| Pre-Gap Size | 0.043 |
| Pre-Gap Size | 1.10 |
| Ground Electrode Quantity | 1 |
| Insulator Height | 0.08 |
| Manufacturer Heat Range | 8 |
| Seat Type | Flat |
| Reach | 0.866 |
| Thread Diameter | 0.551 |
| Thread Diameter | 14.000 |
| Resistor Type | Yes |
| Hex Type | Hex |
| Classification | Champion iridium |
| Hex Size | 0.625 |
| Hex Size | 15.880 |
| Plug Type | Rc8zwypb4 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Honda | Civic | 1.8L | L4 | GAS | N/A | Gap 0.044 (in); Plug Type Number RC8ZWYPB4; Champion Iridium |
| 2010 | Honda | Civic | 1.8L | L4 | GAS | N/A | Gap 0.044 (in); Plug Type Number RC8ZWYPB4; Champion Iridium |
| 2009 | Honda | Civic | 1.8L | L4 | GAS | N/A | Gap 0.044 (in); Plug Type Number RC8ZWYPB4; Champion Iridium |
| 2008 | Honda | Civic | 1.8L | L4 | GAS | N/A | Gap 0.044 (in); Plug Type Number RC8ZWYPB4; Champion Iridium |
| 2007 | Honda | Civic | 1.8L | L4 | GAS | N/A | Gap 0.044 (in); Plug Type Number RC8ZWYPB4; Champion Iridium |
| 2006 | Honda | Civic | 1.8L | L4 | GAS | N/A | OE Type; Gap 0.044 (in); Plug Type Number RC8ZWYPB4; 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.