HomeIgnition > Secondary IgnitionChampion 9812 Spark Plug
Part #: 9812

Champion 9812 Spark Plug

Champion Iridium
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Champion Iridium
🚗Fitment: Honda, Civic
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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.

BrandChampion
Part Number9812
PositionChampion Iridium
Ground Electrode Tip DesignJ gap
Ground Electrode Core MaterialPlatinum
Electrical Terminal TypeNon-removable nut
Center Electrode Tip MaterialIridium
Pre-Gap Size0.043
Pre-Gap Size1.10
Ground Electrode Quantity1
Insulator Height0.08
Manufacturer Heat Range8
Seat TypeFlat
Reach0.866
Thread Diameter0.551
Thread Diameter14.000
Resistor TypeYes
Hex TypeHex
ClassificationChampion iridium
Hex Size0.625
Hex Size15.880
Plug TypeRc8zwypb4

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2011HondaCivic1.8LL4GASN/AGap 0.044 (in); Plug Type Number RC8ZWYPB4; Champion Iridium
2010HondaCivic1.8LL4GASN/AGap 0.044 (in); Plug Type Number RC8ZWYPB4; Champion Iridium
2009HondaCivic1.8LL4GASN/AGap 0.044 (in); Plug Type Number RC8ZWYPB4; Champion Iridium
2008HondaCivic1.8LL4GASN/AGap 0.044 (in); Plug Type Number RC8ZWYPB4; Champion Iridium
2007HondaCivic1.8LL4GASN/AGap 0.044 (in); Plug Type Number RC8ZWYPB4; Champion Iridium
2006HondaCivic1.8LL4GASN/AOE 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:

17483377343242946994980795615V9807B5517W9807B5615W9807B561CWIZFR5K11IZFR6H11IZFR6JIZFR6K11IZFR6K11SIZFR6KLRC8ZWYPB4SKJ20DRM11SKJ20DRM11SZFR6BPG

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.