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NGK Ruthenium HX Spark Plug Box of 4 (FR5AHX)

Experience the best in class spark plug for modern vehicles with NGK's Ruthenium HX technology. With patented Ruthenium technology, these spark plugs offer the highest performance and life expectancy of any aftermarket spark plug line.

Key Features:

  • Patented Ruthenium technology for advanced tip technology and highest performance
  • Specialized OEM DFE and PSPE tip designs for high ignitability
  • Ruthenium center electrode for industry-leading durability
  • Recommended for modern vehicles using OE DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology

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

Make Model Year Type
Acura CL 1997 Base
Acura CL 1997 Premium
Acura CL 1998 Base
Acura CL 1998 Premium
Acura CL 1999 Premium
Acura CL 2001 Premium
Acura CL 2002 Base
Acura CL 2003 Base
Acura Integra 1997 GS
Acura Integra 1997 LS
Acura Integra 1997 RS
Acura Integra 1998 GS
Acura Integra 1998 LS
Acura Integra 1998 RS
Acura Integra 1999 GS
Acura Integra 1999 LS
Acura Integra 2000 GS
Acura Integra 2000 LS
Acura Integra 2001 GS
Acura Integra 2001 LS
Acura MDX 2001 Base
Acura MDX 2001 Touring
Acura MDX 2002 Base
Acura MDX 2002 Touring
Acura RL 1997 Base
Acura RL 1997 Premium
Acura RL 1998 Base
Acura RL 1998 Premium
Acura RL 1998 SE
Acura RL 1999 Premium
Acura RL 2000 Premium
Acura RL 2001 Premium
Acura RL 2002 Premium
Acura RL 2003 Premium
Acura RL 2004 Premium
Acura SLX 1997 Base
Acura SLX 1997 Premium
Acura SLX 1998 Premium
Acura SLX 1999 Premium
Acura TL 1997 Base
Acura TL 1997 Premium
Acura TL 1998 Base
Acura TL 1998 Premium
Acura TL 1999 Base
Acura TL 2000 Base
Acura TL 2001 Base
Acura TL 2002 Base
Acura TL 2003 Base
BMW 850Ci 1997 Base
Cadillac Catera 1999 Base
Cadillac Catera 1999 Sport
Cadillac Catera 2000 Base
Cadillac Catera 2000 Sport
Cadillac Catera 2001 Base
Cadillac Catera 2001 Sport
Chevrolet Prizm 2000 Base
Chevrolet Prizm 2000 LSi
Chevrolet Prizm 2001 Base
Chevrolet Prizm 2001 LSi
Chevrolet Prizm 2002 Base
Chevrolet Prizm 2002 LSi
Chevrolet Tracker 2001 Base
Chevrolet Tracker 2001 LT
Chevrolet Tracker 2001 ZR2
Chevrolet Tracker 2002 Base
Chevrolet Tracker 2002 LT
Chevrolet Tracker 2002 ZR2
Chevrolet Tracker 2003 Base
Chevrolet Tracker 2003 LT
Chevrolet Tracker 2003 ZR2
Chevrolet Tracker 2004 Base
Chevrolet Tracker 2004 LT
Chevrolet Tracker 2004 ZR2
Chrysler 200 2011 Limited
Chrysler 200 2011 LX
Chrysler 200 2011 Touring
Chrysler 200 2012 Limited
Chrysler 200 2012 LX
Chrysler 200 2012 Touring
Chrysler 200 2013 Limited
Chrysler 200 2013 LX
Chrysler 200 2013 Touring
Chrysler 200 2014 Limited
Chrysler 200 2014 LX
Chrysler 200 2014 Touring
Chrysler Cirrus 1997 LX
Chrysler Cirrus 1997 LXi
Chrysler Cirrus 1998 LXi
Chrysler Cirrus 1999 LXi
Chrysler Cirrus 2000 LX
Chrysler Cirrus 2000 LXi
Chrysler Crossfire 2004 Base
Chrysler Crossfire 2005 Base
Chrysler Crossfire 2005 Limited
Chrysler Crossfire 2006 Base
Chrysler Crossfire 2006 Limited
Chrysler Crossfire 2007 Base
Chrysler Crossfire 2007 Limited
Chrysler Crossfire 2008 Limited
Chrysler Sebring 1997 JX
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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