# NGK Laser Iridium Spark Plug Box of 4 (ITR4A15) NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems. - Pure alumina silicate ceramic insulator provides superior strength and better heat transfer - Trivalent metal plating for superior anti-corrosion and anti-seizing properties - RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs - Copper core aids in heat removal - Triple seals prevent leakage This Part Fits: Year Make Model Submodel 1994-2005 Buick Century Custom 1996-2002,2004-2005 Buick Century Limited 1994-1996 Buick Century Special 2005 Buick Century Special Edition 1988-1990 Buick Electra Limited 1988-1990 Buick Electra Park Avenue 1989-1990 Buick Electra Park Avenue Ultra 1988-1990 Buick Electra T-Type 2005-2009 Buick LaCrosse CX 2005-2009 Buick LaCrosse CXL 1988-1991 Buick LeSabre Base 1988-2005 Buick LeSabre Custom 1988-2005 Buick LeSabre Limited 2006-2008 Buick Lucerne CX 2006-2008 Buick Lucerne CXL 1991-2005 Buick Park Avenue Base 1991-2005 Buick Park Avenue Ultra 1988-1991 Buick Reatta Base 1998 Buick Regal 25th Anniversary Edition 1990-1996 Buick Regal Custom 1990-1996 Buick Regal Gran Sport 1997-2004 Buick Regal GS 2000 Buick Regal GSE 1990-1996 Buick Regal Limited 1997-2004 Buick Regal LS 2000 Buick Regal LSE 1996 Buick Regal Olympic Gold Edition 2002-2007 Buick Rendezvous CX 2002-2003,2005 Buick Rendezvous CX Plus 2002-2007 Buick Rendezvous CXL 2002-2003 Buick Rendezvous CXL Plus 1995-1999 Buick Riviera Base 1988-1993 Buick Riviera Luxury 1988-1989 Buick Riviera T-Type 1994-1998 Buick Skylark Custom 1994-1997 Buick Skylark Gran Sport 1994-1997 Buick Skylark Limited 1996 Buick Skylark Olympic Gold Edition 2005-2006 Buick Terraza CX 2005-2006 Buick Terraza CXL 1999-2000 Cadillac Escalade Base 1996-2005 Chevrolet Astro Base 1996-2005 Chevrolet Astro LS 1996-2005 Chevrolet Astro LT 1994-1996 Chevrolet Beretta Base 1994-1996 Chevrolet Beretta Z26 1996-1999,2005 Chevrolet Blazer Base 1996-2004 Chevrolet Blazer LS 1996-2001 Chevrolet Blazer LT 1999-2001 Chevrolet Blazer Trailblazer 2001-2005 Chevrolet Blazer Xtreme 2003-2005 Chevrolet Blazer ZR2 1996-1997 Chevrolet C1500 Base 1996-1998 Chevrolet C1500 Cheyenne 1999 Chevrolet C1500 LS 1996-1998 Chevrolet C1500 Silverado 1996-1998 Chevrolet C1500 WT 1996-1999 Chevrolet C1500 Suburban Base 1996-1999 Chevrolet C1500 Suburban LS 1996-1997,1999 Chevrolet C1500 Suburban LT 1996-1997,1999-2000 Chevrolet C2500 Base 1993,1996-1998 Chevrolet C2500 Cheyenne 1999-2000 Chevrolet C2500 LS 1993,1996-1998 Chevrolet C2500 Silverado 1998 Chevrolet C2500 WT 1996-1999 Chevrolet C2500 Suburban Base 1996-1999 Chevrolet C2500 Suburban LS 1996-1997 Chevrolet C2500 Suburban LT 1996-1997,1999-2000 Chevrolet C3500 Base 1996-1998 Chevrolet C3500 Cheyenne 1999-2000 Chevrolet C3500 LS 1996-1998 Chevrolet C3500 Silverado 1995-2002 Chevrolet Camaro Base 1996-1997 Chevrolet Camaro RS 1994-1996 Chevrolet Corsica Base 2005-2009 Chevrolet Equinox LS 2005-2009 Chevrolet Equinox LT 2008-2009 Chevrolet Equinox LTZ 1996-2012 Chevrolet Express 1500 Base 1996-2006 Chevrolet Express 1500 LS 2001-2002,2006 Chevrolet Express 1500 LT 1996-2002,2004-2006 Chevrolet Express 2500 Base 1996-2002,2004-2005 Chevrolet Express 2500 LS 1996-2002 Chevrolet Express 3500 Base 1996-2002 Chevrolet Express 3500 LS 1995 Chevrolet G30 Beauville 1995 Chevrolet G30 Chevy Van 1995 Chevrolet G30 Hi-Cube 1995 Chevrolet G30 Sportvan 2000-2005 Chevrolet Impala Base 2000-2005 Chevrolet Impala LS 2003 Chevrolet Impala LS Sport 2003-2005 Chevrolet Impala Police 2004-2005 Chevrolet Impala SS 1996-1997 Chevrolet K1500 Base 1996-1998 Chevrolet K1500 Cheyenne 1999 Chevrolet K1500 LS 1996-1998 Chevrolet K1500 Silverado 1996-1998 Chevrolet K1500 WT 1996-1999 Chevrolet K1500 Suburban Base 1996-1999 Chevrolet K1500 Suburban LS 1996-1997,1999 Chevrolet K1500 Suburban LT 1996-1997,1999-2000 Chevrolet K2500 Base 1996-1998 Chevrolet K2500 Cheyenne 1999-2000 Chevrolet K2500 LS 1996-1998 Chevrolet K2500 Silverado 1998 Chevrolet K2500 WT 1996-1999 Chevrolet K2500 Suburban Base 1996-1999 Chevrolet K2500 Suburban LS 1996-1997 Chevrolet K2500 Suburban LT 1996-1997,1999-2000 Chevrolet K3500 Base 1996-1998 Chevrolet K3500 Cheyenne 1999-2000 Chevrolet K3500 LS 1996-1998 Chevrolet K3500 Silverado 1995-2001 Chevrolet Lumina Base 1995-1999 Chevrolet Lumina LS 1997-1999 Chevrolet Lumina LTZ 1992-1996 Chevrolet Lumina APV Base 1992 Chevrolet Lumina APV CL 1993-1996 Chevrolet Lumina APV LS 1997-2003 Chevrolet Malibu Base 1997-2006 Chevrolet Malibu LS 2004-2006 Chevrolet Malibu LT 2006 Chevrolet Malibu LTZ 2004 Chevrolet Malibu Maxx 2004-2006 Chevrolet Malibu Maxx LS 2004-2006 Chevrolet Malibu Maxx LT 2006 Chevrolet Malibu Maxx LTZ 1999 Chevrolet Monte Carlo Indianapolis 500 Pace Car 1995-2005 Chevrolet Monte Carlo LS 2003 Chevrolet Monte Carlo LS Competition 2003 Chevrolet Monte Carlo LS Sport 2005 Chevrolet Monte Carlo LT 2000-2005 Chevrolet Monte Carlo SS 2002 Chevrolet Monte Carlo SS 35th Anniversary Edition 2002 Chevrolet Monte Carlo SS Dale Earnhardt Signature Edition 2003 Chevrolet Monte Carlo SS High Sport 2003 Chevrolet Monte Carlo SS Pace Car 1996-1999 Chevrolet Monte Carlo Z34 1996-1999 Chevrolet P30 Base 1996-2003 Chevrolet S10 Base 1996-2004 Chevrolet S10 LS 1996-1998 Chevrolet S10 SS 1999-2003 Chevrolet S10 Xtreme 1996-2003 Chevrolet S10 ZR2 2002-2004 Chevrolet S10 ZR5 1999-2005 Chevrolet Silverado 1500 Base 1999-2006 Chevrolet Silverado 1500 LS 1999-2005 Chevrolet Silverado 1500 LT 2002-2004,2006-2012 Chevrolet Silverado 1500 WT 2004 Chevrolet Silverado 1500 Z71 Off-Road 2007 Chevrolet Silverado 1500 Classic LS 2007 Chevrolet Silverado 1500 Classic WT 1996-1999 Chevrolet Tahoe Base 2000 Chevrolet Tahoe Limited 1996-1999 Chevrolet Tahoe LS 1996-1999 Chevrolet Tahoe LT 2000 Chevrolet Tahoe Z71 2005-2006 Chevrolet Uplander Base 2005-2006 Chevrolet Uplander LS 2005-2006 Chevrolet Uplander LT 1997-2000,2002 Chevrolet Venture Base 1997-2005 Chevrolet Venture LS 2000-2005 Chevrolet Venture LT 2000-2005 Chevrolet Venture Plus 2000-2003 Chevrolet Venture Value 2000-2003 Chevrolet Venture Warner Bros. 1997 GMC C1500 Sierra GT 1996-1999 GMC C1500 Sierra SL 1996-1999 GMC C1500 Sierra SLE 1996-1999 GMC C1500 Sierra SLT 1996-1998 GMC C1500 Sierra Special 1996-1999 GMC C1500 Suburban Base 1996-1999 GMC C1500 Suburban SLE 1996-1999 GMC C1500 Suburban SLT 1996-2000 GMC C2500 Sierra SL 1996-2000 GMC C2500 Sierra SLE 1996-2000 GMC C2500 Sierra SLT 1996-1999 GMC C2500 Suburban Base 1996-1999 GMC C2500 Suburban SLE 1996-1999 GMC C2500 Suburban SLT 1996-2000 GMC C3500 Sierra SL 1996-2000 GMC C3500 Sierra SLE 1996-2000 GMC C3500 Sierra SLT 1996 GMC Jimmy Base 2000-2001 GMC Jimmy Diamond Edition 1998-2000 GMC Jimmy Envoy 1996-1999,2001 GMC Jimmy SL 1996-2001 GMC Jimmy SLE 1996-2001 GMC Jimmy SLS 1996-2001 GMC Jimmy SLT 1996-1999 GMC K1500 Sierra SL 1996-1999 GMC K1500 Sierra SLE 1996-1999 GMC K1500 Sierra SLT 1996-1998 GMC K1500 Sierra Special 1996-1999 GMC K1500 Suburban Base 1996-1999 GMC K1500 Suburban SLE 1996-1999 GMC K1500 Suburban SLT 1996-2000 GMC K2500 Sierra SL 1996-2000 GMC K2500 Sierra SLE ## Details - **Price:** 82.0 CAD - **Vendor:** NGK - **Type:** Spark Plugs ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 82.00 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - out of package - Photo - out of package --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/ngk-laser-iridium-spark-plug-box-of-4-itr4a15) > Updated: 2026-06-27