Champion® 354 - Copper Plus Spark Plug

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Replaces Original (OE) Part #:RC10DMC
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Product Details

Copper Plus Spark Plug (354) by Champion®. Built with nickel alloy center and ground electrodes, these spark plugs provide extra durability for long-lasting service life, while the extrusion of copper into the core of their center electrode allows for an increase in conductivity and heat control to ensure reliable and dependable performance.


Resistor Plug: Yes
Center Electrode Diameter: 0.100"
Center Electrode Material: Copper
Electrical Terminal Type: Removable Nut
Gap: 0.031"-0.039"
Ground Electrode Material: Nickel Copper Alloy
Ground Electrode Quantity: 2
Heat Range: 10
Hex Size: 0.625"
Hex Size: 16 mm
Installed Height: 1.990"
Insulator Projection: 0.120"
Plug Type: RC10DMC
Resistor Type: SAC-9
Spark Plug Seat Style: Gasket
Taper Diameter: 0.270"
Thread Reach: 0.750"
Thread Size: 0.551"
Thread Size: 14 mm


  • Copper Plus - Dependable Performance.
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Patented TinTac® and ULTRASEAL coated shell for maximum corrosion resistance
  • Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
  • Built to ISO and SAE standards for proven performance

For over 110 years, Champion® has been a world leader in the manufacture of spark plugs for a wide range of cars, SUVs, trucks, racing, and marine applications. Using the latest technology, from iridium and precious metal technologies, to F.I.S.S. resistor (Fired In Suppressor Seal) technology and MLR (Metal alloy Low ohm Resistor) technology, the company develops, engineers, and manufactures spark plugs in a number of materials and designs. Champion also offers a variety of glow plugs, spark plug wires, and other ignition system specific wiring that meet the industry’s toughest standards.

Part Number:
OE Numbers:

Vehicle Fitment

90 1993-1995
100 1992-1994
A4 1996-2001
A6 1995-2006
A8 2000-2012
Cabriolet 1994-1998
Q7 2007-2010
S4 2004-2009
S5 2008-2012
S6 2002-2003, 2007-2011
S8 2001-2003, 2007-2009
3-Series 1991-2006
5-Series 1991-1995, 1997-2005
7-Series 1993-2001, 2003-2008
8-Series 1994-1995
X3 2004-2006
X5 2000-2006
Z3 1997-2002
Z4 2003-2005
Z8 2000-2003
Arnage 1999
Land Rover
Range Rover 2003-2005
GS 1998-2000
SC 1999-2000
Esprit 1999-2004
C Class 1999-2000
Cooper 2002-2006
Aero 8 2004-2007
911 Series 1993-2005
Boxster 1997-2005
Rolls Royce
Phantom 2004-2016
Silver Seraph 1999-2002
900 1994-1997
9000 1995-1997
Forenza 2004-2008
Reno 2005-2008
Verona 2004
Camry 1997-2001
Sienna 1998-2000
Solara 1999-2003
Tercel 1980
Beetle 1998-2000, 2003
Corrado 1992-1995
Golf 1995-1998, 2001
Jetta 1989, 1993-1996
Passat 1993-2005
Phaeton 2004-2006
Touareg 2004-2009
S60 2001-2005
S80 2000-2002, 2004
V70 2001-2007
V90 1997-1998


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Champion® 354 - Copper Plus Spark Plug

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