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NGK Laser Iridium Spark Plug Box of 4 (ITR5H13)

Take your vehicle's performance to the next level with the NGK Laser Iridium Spark Plug Box of 4. Engineered to provide the best combination of performance and longevity, these spark plugs are designed to meet the highest standards of quality and durability.

With an iridium-tipped center electrode that's six times harder than platinum, these spark plugs provide reliable starts and prevent overheating. The high-grade pure alumina ceramic and 98% pure copper core ensure optimal performance and longevity.

  • Best for vehicles with OE fine wire iridium alloy plugs
  • Iridium tipped center electrode for durability
  • Platinum pad on the ground electrode for even wear in distributorless ignition systems

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

Make Model Year Type
Aston Martin DB7 2004 GT
Aston Martin DB7 2004 Vantage
Aston Martin DB7 2004 Vantage Volante
Buick Century 1986 Custom
Buick Century 1986 Estate Wagon
Buick Century 1986 Limited
Buick Century 1986 T-Type
Buick Century 1987 Custom
Buick Century 1987 Estate Wagon
Buick Century 1987 Limited
Buick Century 1988 Custom
Buick Century 1988 Estate Wagon
Buick Century 1988 Limited
Buick Century 1989 Custom
Buick Century 1989 Estate Wagon
Buick Century 1989 Limited
Buick Century 1990 Custom
Buick Century 1990 Limited
Buick Century 1991 Custom
Buick Century 1991 Limited
Buick Century 1991 Special
Buick Century 1992 Custom
Buick Century 1992 Limited
Buick Century 1992 Special
Buick Century 1993 Custom
Buick Century 1993 Limited
Buick Century 1993 Special
Buick Electra 1986 Limited
Buick Electra 1986 Park Avenue
Buick Electra 1986 T-Type
Buick Electra 1987 Limited
Buick Electra 1987 Park Avenue
Buick Electra 1987 T-Type
Buick LeSabre 1986 Custom
Buick LeSabre 1986 Limited
Buick LeSabre 1987 Base
Buick LeSabre 1987 Custom
Buick LeSabre 1987 Limited
Buick LeSabre 1987 T-Type
Buick LeSabre 1988 Base
Buick LeSabre 1988 Custom
Buick LeSabre 1988 Limited
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 Riviera 1986 Luxury
Buick Riviera 1986 T-Type
Buick Riviera 1987 Luxury
Buick Riviera 1987 T-Type
Buick Roadmaster 1994 Base
Buick Roadmaster 1994 Estate Wagon
Buick Roadmaster 1994 Limited
Buick Roadmaster 1995 Base
Buick Roadmaster 1995 Estate Wagon
Buick Roadmaster 1995 Limited
Buick Roadmaster 1996 Collector's Edition
Buick Roadmaster 1996 Estate Wagon Collector's Edition
Buick Roadmaster 1996 Limited Collector's Edition
Buick Skylark 1986 Custom
Buick Skylark 1986 Limited
Buick Skylark 1987 Custom
Buick Skylark 1987 Limited
Buick Skylark 1988 Custom
Buick Skylark 1988 Limited
Buick Skylark 1989 Custom
Buick Skylark 1989 Limited
Buick Skylark 1990 Custom
Buick Skylark 1990 Gran Sport
Buick Skylark 1990 Luxury Edition
Buick Skylark 1991 Base
Buick Skylark 1991 Custom
Buick Skylark 1991 Gran Sport
Buick Skylark 1991 Luxury Edition
Buick Skylark 1992 Custom
Buick Skylark 1992 Gran Sport
Buick Skylark 1993 Custom
Buick Skylark 1993 Gran Sport
Buick Skylark 1993 Limited
Buick Skylark 1995 Custom
Buick Skylark 1995 Limited
Buick Skylark 1996 Custom
Buick Skylark 1996 Limited
Buick Skylark 1996 Olympic Gold Edition
Buick Skylark 1997 Custom
Buick Skylark 1997 Limited
Buick Skylark 1998 Custom
Buick Somerset 1986 Custom
Buick Somerset 1986 Limited
Buick Somerset 1986 T-Type
Buick Somerset 1987 Custom
Buick Somerset 1987 Limited
Buick Somerset Regal 1985 Base
Buick Somerset Regal 1985 Limited
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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