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NGK Laser Iridium Spark Plug Box of 4 (IFR5N10)

Upgrade your vehicle's performance with the NGK Laser Iridium Spark Plug Box of 4 (IFR5N10). Engineered specifically for OE applications, these spark plugs offer the best combination of performance and longevity.

With an iridium tipped center electrode that's six times harder than platinum, these spark plugs provide durability and reliable starts. The high-grade pure alumina ceramic and 98 percent pure copper core prevent overheating, ensuring your engine runs smoothly.

  • Iridium tipped center electrode for increased durability
  • Platinum pad on the ground electrode for even wear in distributorless ignition systems
  • High-grade pure alumina ceramic and 98 percent pure copper core for reliable starts

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

Make Model Year Type
Jaguar S-Type 2003 Base
Jaguar S-Type 2003 R
Jaguar S-Type 2004 Base
Jaguar S-Type 2004 R
Jaguar S-Type 2005 R
Jaguar S-Type 2005 Sport
Jaguar S-Type 2006 Base
Jaguar S-Type 2006 R
Jaguar S-Type 2006 VDP Edition
Jaguar S-Type 2007 Base
Jaguar S-Type 2007 R
Jaguar S-Type 2008 Base
Jaguar S-Type 2008 R
Jaguar Super V8 2005 Base
Jaguar Super V8 2006 Base
Jaguar Super V8 2006 Portfolio
Jaguar Super V8 2007 Base
Jaguar Super V8 2008 Base
Jaguar Super V8 2009 Base
Jaguar Vanden Plas 1993 Base
Jaguar Vanden Plas 1994 Base
Jaguar Vanden Plas 1995 Base
Jaguar Vanden Plas 1996 Base
Jaguar Vanden Plas 1997 Base
Jaguar Vanden Plas 1998 Base
Jaguar Vanden Plas 1999 Base
Jaguar Vanden Plas 2000 Base
Jaguar Vanden Plas 2000 SC
Jaguar Vanden Plas 2001 Base
Jaguar Vanden Plas 2001 SC
Jaguar Vanden Plas 2002 Base
Jaguar Vanden Plas 2002 SC
Jaguar Vanden Plas 2003 Base
Jaguar Vanden Plas 2003 SC
Jaguar Vanden Plas 2004 Base
Jaguar Vanden Plas 2005 Base
Jaguar Vanden Plas 2006 Base
Jaguar Vanden Plas 2007 Base
Jaguar Vanden Plas 2008 Base
Jaguar Vanden Plas 2009 Base
Jaguar XF 2009 Luxury
Jaguar XF 2009 Premium Luxury
Jaguar XF 2009 Supercharged
Jaguar XF 2010 Base
Jaguar XJ8 1998 Base
Jaguar XJ8 1998 L
Jaguar XJ8 1999 Base
Jaguar XJ8 1999 L
Jaguar XJ8 2000 Base
Jaguar XJ8 2000 L
Jaguar XJ8 2001 Base
Jaguar XJ8 2001 L
Jaguar XJ8 2002 Base
Jaguar XJ8 2002 Sport
Jaguar XJ8 2003 Base
Jaguar XJ8 2003 Sport
Jaguar XJ8 2004 Base
Jaguar XJ8 2005 Base
Jaguar XJ8 2005 L
Jaguar XJ8 2006 Base
Jaguar XJ8 2006 L
Jaguar XJ8 2007 Base
Jaguar XJ8 2007 L
Jaguar XJ8 2008 Base
Jaguar XJ8 2008 L
Jaguar XJ8 2009 Base
Jaguar XJ8 2009 L
Jaguar XJR 1999 Base
Jaguar XJR 2000 Base
Jaguar XJR 2001 Base
Jaguar XJR 2002 100
Jaguar XJR 2002 Base
Jaguar XJR 2003 Base
Jaguar XJR 2004 Base
Jaguar XJR 2005 Base
Jaguar XJR 2006 Base
Jaguar XJR 2007 Base
Jaguar XJR 2008 Base
Jaguar XJR 2009 Base
Jaguar XK 2007 Base
Jaguar XK 2008 Base
Jaguar XK 2009 Base
Jaguar XK8 1997 Base
Jaguar XK8 1998 Base
Jaguar XK8 1999 Base
Jaguar XK8 2000 Base
Jaguar XK8 2001 Base
Jaguar XK8 2002 Base
Jaguar XK8 2003 Base
Jaguar XK8 2004 Base
Jaguar XK8 2005 Base
Jaguar XK8 2006 Base
Jaguar XK8 2006 Victory Edition
Jaguar XKR 2000 Base
Jaguar XKR 2001 Base
Jaguar XKR 2001 Silverstone
Jaguar XKR 2002 100
Jaguar XKR 2002 Base
Jaguar XKR 2003 Base
Jaguar XKR 2004 Base
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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