Champion 444 Spark Plug
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Champion
 Copper Plus

Champion 444 Spark Plug

Brand Champion 444
Center Electrode Diameter (Inch) 0.1
Center Electrode Tip Material Nickel
Classification Champion Copper Plus Small Engine
Electrical Terminal Type Non-Removable Nut
Ground Electrode Core Material Nickel
Ground Electrode Material Nickel Copper Alloy
Ground Electrode Quantity 1
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 7
Plug Type RC7YC3
Pre-Gap Size 0.035
Pre-Gap Size 0.89
Reach 0.75
Resistor Type Yes
Seat Type Flat
Taper Diameter (Inch) 0.25
Thread Diameter 0.551
Thread Diameter 14.000
Product line Copper Plus
Fits Polaris, Honda, Toyota, Lotus, Lamborghini, Audi, Saab, Aston Martin, Volvo, and Subaru · 64 vehicles

Copper core electrode. Improves conductivity and heat control for dependable performance.

Nickel electrode materials. Built for consistent spark delivery and good overall wear.

Resistor design. Helps reduce electrical noise in the ignition system.

Cross-references 3021671, 3021671SP and 3085784 for the same application. See all 4.

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Champion Copper Plus 444 Spark Plug

Champion Copper Plus 444 is a spark plug built for dependable ignition performance in a wide range of vehicles and small-engine applications. Its copper core electrode helps improve conductivity and heat control, while nickel construction supports consistent wear characteristics for everyday service.

Key Features

  • Copper core electrode for improved conductivity and heat management
  • Nickel center electrode tip and nickel ground electrode materials
  • Resistor design for reduced electrical noise
  • Pre-gapped at 0.035 in. for straightforward setup
  • Flat seat, 14 mm thread diameter, 0.75 in. reach
  • Champion Copper Plus small engine classification
  • Part number 444 for easy identification

Product Details

The Champion Copper Plus line focuses on practical ignition performance with a copper core that helps transfer heat efficiently and maintain stable firing characteristics. Part number 444 uses a nickel center electrode tip, nickel ground electrode core material, and a nickel copper alloy ground electrode to support consistent operation under normal service conditions. The RC7YC3 plug type, 7 heat range, and resistor design make this spark plug a direct-service option for applications that call for this specification.

Fits 1998-2011 Honda Civic, N/A; Fits 2004-2011 Toyota Camry, N/A; Fits 2004-2009 Lamborghini Gallardo, N/A; Fits 2004-2008 Toyota RAV4, N/A; Fits 2004-2007 Toyota Highlander, N/A; Fits 2004-2007 Toyota Land Cruiser, N/A; Fits 2003-2004 Audi RS6, N/A; Fits 1999 Saab 9-3, N/A; Fits 1997-1998 Aston Martin DB7, N/A; Fits 1995-1997 Audi S6, N/A; Fits 1994-1997 Volvo 850, N/A; Fits 1994 Aston Martin Virage, N/A; Fits 1992-1994 Audi S4, N/A; Fits 1994 Saab 900, N/A; Fits 1991-1994 Subaru Legacy, N/A; Fits 1989 Saab 9000, N/A.

This part cross-references 3021671 and RC7YC3 for the same application.

Common Uses

  • Engine misfire caused by worn or fouled spark plugs
  • Hard starting from weak ignition output
  • Rough idle or inconsistent combustion
  • Reduced throttle response from degraded spark delivery
  • Routine tune-up replacement for specified Honda Civic and Toyota Camry applications

Installation Notes

Verify the plug type, thread diameter, reach, seat type, and gap before installation. This plug is pre-gapped at 0.035 in., but application-specific gap requirements listed in the fitment data should be confirmed against the vehicle service specification. Use the correct torque procedure for the cylinder head material and inspect ignition components for wear before installing the new plug.

Quality Assurance

Champion Copper Plus spark plugs are built around a copper-core design for conductivity and heat control, with nickel-based electrode materials for dependable service characteristics. Part number 444 is identified as Champion Copper Plus Small Engine and is engineered to meet the listed RC7YC3 application requirements.

Related reading

This part fits 64 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2011HondaCivic1.8LL4CNGN/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
2011ToyotaCamry2.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2010HondaCivic1.8LL4CNGN/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
2010ToyotaCamry2.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2009HondaCivic1.8LL4CNGN/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
2009LamborghiniGallardo5.0LV10—N/AGap 0.044 (in); Plug Type Number RC7YC3; Copper Plus
2009ToyotaCamry2.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2008HondaCivic1.8LL4CNGN/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
2008LamborghiniGallardo5.0LV10—N/AGap 0.044 (in); Plug Type Number RC7YC3; Copper Plus
2008ToyotaCamry2.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2008ToyotaRAV42.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2007HondaCivic1.8LL4CNGN/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
2007LamborghiniGallardo5.0LV10—N/AGap 0.044 (in); Plug Type Number RC7YC3; Copper Plus
2007ToyotaCamry2.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2007ToyotaHighlander2.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2007ToyotaLand Cruiser4.7LV8—N/AGap 0.044 (in); Plug Type Number RC7YC3; Copper Plus
2007ToyotaRAV42.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2006HondaCivic1.8LL4CNGN/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
2006LamborghiniGallardo5.0LV10—N/AGap 0.044 (in); Plug Type Number RC7YC3; Copper Plus
2006ToyotaCamry2.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2006ToyotaHighlander2.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2006ToyotaLand Cruiser4.7LV8—N/AGap 0.044 (in); Plug Type Number RC7YC3; Copper Plus
2006ToyotaRAV42.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2005HondaCivic1.7LL4CNGN/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
2005LamborghiniGallardo5.0LV10—N/AGap 0.044 (in); Plug Type Number RC7YC3; Copper Plus
2005ToyotaCamry2.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2005ToyotaHighlander2.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2005ToyotaLand Cruiser4.7LV8—N/AGap 0.044 (in); Plug Type Number RC7YC3; Copper Plus
2005ToyotaRAV42.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2004AudiRS64.2LV8—N/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
2004HondaCivic1.7LL4CNGN/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
2004LamborghiniGallardo5.0LV10—N/AGap 0.044 (in); Plug Type Number RC7YC3; Copper Plus
2004ToyotaCamry2.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2004ToyotaHighlander2.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2004ToyotaLand Cruiser4.7LV8—N/AGap 0.044 (in); Plug Type Number RC7YC3; Copper Plus
2004ToyotaRAV42.4LL4—N/AGap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
2003AudiRS64.2LV8—N/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
2003HondaCivic1.7LL4CNGN/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
2002HondaCivic1.7LL4CNGN/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
2001HondaCivic1.7LL4CNGN/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
2000HondaCivic1.6LL4CNGN/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
1999HondaCivic1.6LL4CNGN/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
1999Saab9-32.0LL4—N/AGap 0.039 (in); Plug Type Number RC7YC3; Copper Plus
1998Aston MartinDB73.2LL6—N/AGap 0.024 (in); Plug Type Number RC7YC3; Copper Plus
1998HondaCivic1.6LL4CNGN/AGap 0.032 (in); Plug Type Number RC7YC3; Copper Plus
1997Aston MartinDB73.2LL6—N/AGap 0.024 (in); Plug Type Number RC7YC3; Copper Plus
1997AudiS62.2LL5—N/AOE Type; Gap 0.028 (in); Plug Type Number RC7YC3; Copper Plus
1997Volvo8502.3LL5—N/AGap 0.028 (in); Plug Type Number RC7YC3; Copper Plus
1997Volvo8502.4LL5—N/AGap 0.028 (in); Plug Type Number RC7YC3; Copper Plus
1996AudiS62.2LL5—N/AOE Type; Gap 0.028 (in); Plug Type Number RC7YC3; Copper Plus
1996Volvo8502.3LL5—N/AGap 0.028 (in); Plug Type Number RC7YC3; Copper Plus
1995AudiS62.2LL5—N/AOE Type; Gap 0.028 (in); Plug Type Number RC7YC3; Copper Plus
1995Volvo8502.3LL5—N/AGap 0.028 (in); Plug Type Number RC7YC3; Copper Plus
1994Aston MartinVirage5.3LV8—N/AOE Type; Gap 0.030 (in); Plug Type Number RC7YC3; Copper Plus
1994AudiS42.2LL5—N/AOE Type; Gap 0.028 (in); Plug Type Number RC7YC3; Copper Plus
1994Saab9002.0LL4—N/AOE Type; Gap 0.040 (in); Plug Type Number RC7YC3; Copper Plus
1994SubaruLegacy2.2LH4—N/AOE Type; Gap 0.044 (in); Plug Type Number RC7YC3; Copper Plus
1994Volvo8502.3LL5—N/AGap 0.028 (in); Plug Type Number RC7YC3; Copper Plus
1993AudiS42.2LL5—N/AOE Type; Gap 0.028 (in); Plug Type Number RC7YC3; Copper Plus
1993SubaruLegacy2.2LH4—N/AOE Type; Gap 0.044 (in); Plug Type Number RC7YC3; Copper Plus
1992AudiS42.2LL5—N/AOE Type; Gap 0.028 (in); Plug Type Number RC7YC3; Copper Plus
1992SubaruLegacy2.2LH4—N/AOE Type; Gap 0.044 (in); Plug Type Number RC7YC3; Copper Plus
1991SubaruLegacy2.2LH4—N/AOE Type; Gap 0.044 (in); Plug Type Number RC7YC3; Copper Plus
1989Saab90002.0LL4—N/AGap 0.028 (in); Plug Type Number RC7YC3; Copper Plus
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
30216713021671SP3085784RC7YC3