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NGK Iridium IX Spark Plug Box of 4 (ZFR5AIX-11)

Take your vehicle's performance to the next level with the NGK Iridium IX Spark Plug Box of 4. Designed for the performance enthusiast, these spark plugs provide outstanding acceleration, high fuel efficiency, and durability.

  • Extreme ignitability and exceptional anti-fouling
  • Tapered cut ground electrode for improved starting, idling, and throttle response
  • Iridium fine wire center electrode's durability is six times harder than platinum
  • Iridium alloy's extremely high melting point is perfect for today's engines

Upgrade your vehicle's performance with the NGK Iridium IX Spark Plug Box of 4. Recommended for modified or high-performance applications, or as an upgrade to OE nickel alloy spark plugs.

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

Make Model Year Type
Acura MDX 2003 Base
Acura MDX 2003 Touring
Acura MDX 2004 Base
Acura MDX 2004 Touring
Acura MDX 2005 Base
Acura MDX 2005 Touring
Acura MDX 2006 Base
Acura MDX 2006 Touring
Honda Odyssey 2005 EX
Honda Odyssey 2005 EX-L
Honda Odyssey 2005 LX
Honda Odyssey 2005 Touring
Honda Odyssey 2006 EX
Honda Odyssey 2006 EX-L
Honda Odyssey 2006 LX
Honda Odyssey 2006 Touring
Honda Odyssey 2007 EX
Honda Odyssey 2007 EX-L
Honda Odyssey 2007 LX
Honda Odyssey 2007 Touring
Honda Odyssey 2008 EX
Honda Odyssey 2008 LX
Honda Odyssey 2009 EX
Honda Odyssey 2009 LX
Honda Odyssey 2010 EX
Honda Odyssey 2010 LX
Honda Pilot 2006 EX
Honda Pilot 2006 EX-L
Honda Pilot 2006 LX
Honda Pilot 2007 EX
Honda Pilot 2007 EX-L
Honda Pilot 2007 LX
Honda Pilot 2008 EX
Honda Pilot 2008 EX-L
Honda Pilot 2008 Special Edition
Honda Pilot 2008 Value Package
Honda Ridgeline 2006 RT
Honda Ridgeline 2006 RTL
Honda Ridgeline 2006 RTS
Honda Ridgeline 2007 RT
Honda Ridgeline 2007 RTL
Honda Ridgeline 2007 RTS
Honda Ridgeline 2007 RTX
Honda Ridgeline 2008 RT
Honda Ridgeline 2008 RTL
Honda Ridgeline 2008 RTS
Honda Ridgeline 2008 RTX
Saturn Vue 2004 Base
Saturn Vue 2004 Red Line
Saturn Vue 2005 Base
Saturn Vue 2005 Red Line
Saturn Vue 2006 Base
Saturn Vue 2006 Red Line
Saturn Vue 2007 Base
Saturn Vue 2007 Red Line
Volkswagen Beetle 2001 GL
Volkswagen Beetle 2001 GLS
Volkswagen Beetle 2001 Sport
Volkswagen Beetle 2002 GL
Volkswagen Beetle 2002 GLS
Volkswagen Beetle 2002 Sport
Volkswagen Beetle 2003 GL
Volkswagen Beetle 2003 GLS
Volkswagen Beetle 2004 GL
Volkswagen Beetle 2004 GLS
Volkswagen Beetle 2005 GL
Volkswagen Beetle 2005 GLS
Volkswagen Beetle 2006 2.5
Volkswagen Beetle 2007 2.5
Volkswagen Beetle 2008 S
Volkswagen Beetle 2008 SE
Volkswagen EuroVan 2001 GLS
Volkswagen EuroVan 2001 MV
Volkswagen EuroVan 2002 GLS
Volkswagen EuroVan 2002 MV
Volkswagen Golf 2001 GL
Volkswagen Golf 2001 GLS
Volkswagen Golf 2002 GL
Volkswagen Golf 2002 GLS
Volkswagen Golf 2002 GTI VR6
Volkswagen Golf 2003 GL
Volkswagen Golf 2003 GLS
Volkswagen Golf 2003 GTI VR6
Volkswagen Golf 2004 GL
Volkswagen Golf 2004 GLS
Volkswagen Golf 2004 GTI VR6
Volkswagen Golf 2005 GL
Volkswagen Golf 2005 GLS
Volkswagen Golf 2005 GTI VR6
Volkswagen Golf 2006 GL
Volkswagen Golf 2006 GLS
Volkswagen Jetta 2001 GL
Volkswagen Jetta 2001 GLS
Volkswagen Jetta 2002 GL
Volkswagen Jetta 2002 GLI
Volkswagen Jetta 2002 GLS
Volkswagen Jetta 2002 GLX
Volkswagen Jetta 2003 GL
Volkswagen Jetta 2003 GLI
Volkswagen Jetta 2003 GLS
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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