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Part #: 9770

Champion 9770 Spark Plug

Champion Iridium
19 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Champion Iridium
Fitment: Polaris, Honda, BMW, Aston Martin, Audi, and Morgan, Ranger 6x6 800, Ranger 800 Crew, Ranger 800 EFI, Ranger 800 EFI EPS LE, Ranger 800 EFI Mid-Size, Ranger 800 EPS Mid-Size LE, Ranger 800 Crew EPS LE, Ranger 800 EFI EPS, Ranger 800 EFI LE, Ranger 800 EFI Mid-Size LE, Ranger 800 Crew EPS, Ranger 800 HD EPS, Ranger 800 XP, Ranger 800 XP EPS, Ranger 800 XP EPS LE, Ranger 800 XP LE, Civic, Ranger 800 HD, Alpina B7, Frontier Touring, Sportsman 600, Frontier, Sportsman 335, DB7, S6, S4, and 4/4
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Champion Iridium Spark Plug 9770 Overview

The Champion Iridium 9770 spark plug is engineered for reliable ignition performance in select Aston Martin, Audi, and Honda 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-gap size of 0.034 inches
  • Resistor type spark plug to reduce electrical noise
  • Hex size 0.625 inch (15.88 mm) for installation
  • Manufacturer heat range 7 for optimal thermal performance

Detailed Features of Champion Iridium 9770 Spark Plug

This Champion Iridium spark plug features a center electrode tip made of iridium, 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 includes a non-removable nut electrical terminal, ensuring secure connection and durability. With a flat seat type and a reach of 0.75 inches, it fits precisely in compatible engines. The pre-gap size is set at 0.034 inches, optimized for ignition performance. Additionally, the resistor type helps minimize electromagnetic interference, supporting vehicle electronics.

Champion Iridium Product Line

The Champion Iridium line focuses on delivering spark plugs with iridium center electrodes combined with platinum ground electrodes to balance durability and ignition efficiency. This product line is designed to meet the demands of modern engines requiring precise ignition components that maintain performance over extended use. The Champion Iridium 9770 spark plug exemplifies this approach by integrating advanced materials and design features tailored for specific vehicle applications.

Compatible Vehicles and Applications

This spark plug is compatible with various models from Aston Martin, Audi, and Honda, including the Aston Martin DB7, Audi S4 and S6, and Honda Civic. It is suitable for drivers seeking replacement spark plugs that match OEM specifications for these vehicles.

  • Resolves misfires and rough idling issues
  • Improves cold start performance
  • Reduces engine hesitation during acceleration
  • Helps maintain fuel efficiency
  • Minimizes spark plug fouling and wear

Installation Notes and Tips

When installing the Champion Iridium 9770 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 or under-tightening. Verify the pre-gap size of 0.034 inches before installation, adjusting if necessary. The 0.625 inch hex size allows for standard spark plug socket compatibility. Always inspect the spark plug threads and seat area for cleanliness before installation.

Quality Assurance and Warranty

Champion spark plugs are manufactured to meet strict quality standards, ensuring consistent performance and durability. The Champion Iridium 9770 spark plug undergoes rigorous testing for heat range, electrode wear, and electrical resistance. While specific warranty details are not provided here, Champion products typically come with manufacturer-backed quality assurance to support reliable operation in compatible vehicles.

BrandChampion
Part Number9770
PositionChampion Iridium
Center Electrode Diameter (Inch)0.103
Center Electrode Tip MaterialIridium
ClassificationChampion Iridium
Electrical Terminal TypeNon-Removable Nut
Gap StyleJ Gap
Ground Electrode Core MaterialPlatinum
Ground Electrode MaterialPlatinum Pad Surface
Ground Electrode Quantity1
Ground Electrode Tip DesignJ Gap
Hex Size0.625
Hex Size15.880
Hex TypeHex
Installed Height (Inch)2
Insulator Height0.06
Insulator Projection (Inch)0.06
Manufacturer Heat Range7
Plug TypeRC7WYPB3
Pre-Gap Size0.034
Pre-Gap Size0.85
Reach0.75
Resistor TypeYes
Seat TypeFlat
Taper Diameter (Inch)0.27
Thread Diameter0.551
Thread Diameter14.000

This part fits 19 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2011HondaCivic1.8LL4CNGN/AOE Type; Gap 0.032 (in); Plug Type Number RC7WYPB3; Champion Iridium
2010HondaCivic1.8LL4CNGN/AGap 0.032 (in); Plug Type Number RC7WYPB3; Champion Iridium
2009HondaCivic1.8LL4CNGN/AGap 0.032 (in); Plug Type Number RC7WYPB3; Champion Iridium
2008HondaCivic1.8LL4CNGN/AGap 0.032 (in); Plug Type Number RC7WYPB3; Champion Iridium
2007HondaCivic1.8LL4CNGN/AOE Type; Gap 0.032 (in); Plug Type Number RC7WYPB3; Champion Iridium
2006HondaCivic1.8LL4CNGN/AOE Type; Gap 0.032 (in); Plug Type Number RC7WYPB3; Champion Iridium
2005HondaCivic1.7LL4CNGN/AGap 0.032 (in); Plug Type Number RC7WYPB3; Champion Iridium
2004HondaCivic1.7LL4CNGN/AGap 0.032 (in); Plug Type Number RC7WYPB3; Champion Iridium
2003HondaCivic1.7LL4CNGN/AGap 0.032 (in); Plug Type Number RC7WYPB3; Champion Iridium
2002HondaCivic1.7LL4CNGN/AGap 0.032 (in); Plug Type Number RC7WYPB3; Champion Iridium
2001HondaCivic1.7LL4CNGN/AGap 0.032 (in); Plug Type Number RC7WYPB3; Champion Iridium
1998Aston MartinDB73.2LL6N/AGap 0.024 (in); Plug Type Number RC7WYPB3; Champion Iridium
1997Aston MartinDB73.2LL6N/AGap 0.024 (in); Plug Type Number RC7WYPB3; Champion Iridium
1997AudiS62.2LL5N/AGap 0.028 (in); Plug Type Number RC7WYPB3; Champion Iridium
1996AudiS62.2LL5N/AGap 0.028 (in); Plug Type Number RC7WYPB3; Champion Iridium
1995AudiS62.2LL5N/AGap 0.028 (in); Plug Type Number RC7WYPB3; Champion Iridium
1994AudiS42.2LL5N/AGap 0.028 (in); Plug Type Number RC7WYPB3; Champion Iridium
1993AudiS42.2LL5N/AGap 0.028 (in); Plug Type Number RC7WYPB3; Champion Iridium
1992AudiS42.2LL5N/AGap 0.028 (in); Plug Type Number RC7WYPB3; 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:

06H905601A06H905611101905621C101905631G101905631H12120035747167524124566524124567026674112141829555760269582098079578BU9807B561BWBKR7EIXFR6DPP332IFR7F8DSIFR7FDIFR7X7GIFR7X8GLR050998PFR7S8EGRC7WYPB3

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