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NGK Ruthenium HX Spark Plug Box of 4 (TR5AHX)

Experience the best in class spark plug for today's modern vehicles with NGK Ruthenium HX. Patented Ruthenium technology offers the highest performance and life expectancy.

  • Industry-leading durability with Ruthenium center electrode
  • Quicker throttle response, smoother idle, and better cold starts
  • Advanced OE technology with patented DFE and PSPE tip designs

Upgrade your vehicle with NGK Ruthenium HX Spark Plug Box of 4 (TR5AHX) for unparalleled performance.

This product fits more vehicles than loaded. Please select your vehicle to see all fits.

Make Model Year Type
Aston Martin DB7 2002 Vantage
Aston Martin DB7 2002 Vantage Volante
Aston Martin DB7 2003 GT
Aston Martin DB7 2003 GTA
Aston Martin DB7 2003 Vantage
Aston Martin DB7 2003 Vantage Volante
Aston Martin DB7 2004 GT
Aston Martin DB7 2004 Vantage
Aston Martin DB7 2004 Vantage Volante
Buick LaCrosse 2008 Super
Buick LaCrosse 2009 Super
Buick Lucerne 2006 CXL
Buick Lucerne 2006 CXS
Buick Lucerne 2007 CXL
Buick Lucerne 2007 CXS
Buick Lucerne 2008 CXL
Buick Lucerne 2008 CXS
Buick Lucerne 2008 Super
Buick Lucerne 2009 Super
Buick Lucerne 2010 Super
Buick Lucerne 2011 Super
Buick Rainier 2004 CXL
Buick Rainier 2004 CXL Plus
Buick Rainier 2005 CXL
Buick Rainier 2005 CXL Plus
Buick Rainier 2006 CXL
Buick Rainier 2007 CXL
Buick Skylark 1997 Custom
Buick Skylark 1997 Limited
Buick Skylark 1998 Custom
Cadillac CTS 2004 V
Cadillac CTS 2005 V
Cadillac CTS 2006 V
Cadillac CTS 2007 V
Cadillac DeVille 2000 Base
Cadillac DeVille 2000 DHS
Cadillac DeVille 2000 DTS
Cadillac DeVille 2001 Base
Cadillac DeVille 2001 DHS
Cadillac DeVille 2001 DTS
Cadillac DeVille 2002 Base
Cadillac DeVille 2002 DHS
Cadillac DeVille 2002 DTS
Cadillac DeVille 2003 Base
Cadillac DeVille 2003 DHS
Cadillac DeVille 2003 DTS
Cadillac DeVille 2004 Base
Cadillac DeVille 2004 DHS
Cadillac DeVille 2004 DTS
Cadillac DeVille 2004 Protection Series
Cadillac DeVille 2005 Base
Cadillac DeVille 2005 DHS
Cadillac DeVille 2005 DTS
Cadillac DeVille 2005 Protection Series
Cadillac DTS 2006 Base
Cadillac DTS 2007 Base
Cadillac DTS 2007 Luxury
Cadillac DTS 2008 Base
Cadillac DTS 2008 Luxury
Cadillac DTS 2008 Platinum
Cadillac DTS 2009 Base
Cadillac DTS 2009 Luxury
Cadillac DTS 2009 Platinum
Cadillac DTS 2010 Base
Cadillac DTS 2010 Livery
Cadillac DTS 2010 Luxury
Cadillac DTS 2010 Platinum
Cadillac DTS 2010 Premium
Cadillac DTS 2011 Base
Cadillac DTS 2011 Livery
Cadillac DTS 2011 Luxury
Cadillac DTS 2011 Platinum
Cadillac DTS 2011 Premium
Cadillac Eldorado 2000 ESC
Cadillac Eldorado 2000 ETC
Cadillac Eldorado 2001 ESC
Cadillac Eldorado 2001 ETC
Cadillac Eldorado 2002 ESC
Cadillac Eldorado 2002 ETC
Cadillac Escalade 1999 Base
Cadillac Escalade 2000 Base
Cadillac Escalade 2002 Base
Cadillac Escalade 2003 Base
Cadillac Escalade 2004 Base
Cadillac Escalade 2005 Base
Cadillac Escalade 2006 Base
Cadillac Escalade 2007 Base
Cadillac Escalade 2008 Base
Cadillac Escalade 2008 Platinum
Cadillac Escalade 2009 Base
Cadillac Escalade 2009 Hybrid
Cadillac Escalade 2009 Platinum
Cadillac Escalade 2010 Base
Cadillac Escalade 2010 Hybrid
Cadillac Escalade 2010 Hybrid Platinum
Cadillac Escalade 2010 Platinum
Cadillac Escalade 2011 Base
Cadillac Escalade 2011 Hybrid
Cadillac Escalade 2011 Hybrid Platinum
Cadillac Escalade 2011 Luxury
NGK manufactures spark plugs and spark plug wires, as well as glow plugs for diesel applications. Their range of spark plugs cover everything from OEM replacement to Ultimate Performance plugs, and are available as traditional copper, platinum, or iridium tips. NGK’s reputation as an OEM supplier for many car manufacturers makes them a top choice for spark plugs. Few brands can make that claim and have the quality to back it up.
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