Set Your Car:
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The 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. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004 | Aston Martin | DB7 | GT |
| 2004 | Aston Martin | DB7 | Vantage |
| 2004 | Aston Martin | DB7 | Vantage Volante |
| 1990-1991 | Audi | V8 Quattro | Base |
| 1986-1988 | Buick | Century | Custom |
| 1986-1988 | Buick | Century | Estate Wagon |
| 1986-1988 | Buick | Century | Limited |
| 1986 | Buick | Century | T-Type |
| 1986-1987 | Buick | Electra | Limited |
| 1986-1987 | Buick | Electra | Park Avenue |
| 1986-1987 | Buick | Electra | T-Type |
| 2008-2009 | Buick | LaCrosse | Super |
| 1987-1988 | Buick | LeSabre | Base |
| 1986-1988 | Buick | LeSabre | Custom |
| 1986-1988 | Buick | LeSabre | Limited |
| 1987 | Buick | LeSabre | T-Type |
| 2004-2007 | Buick | Rainier | CXL |
| 2004-2005 | Buick | Rainier | CXL Plus |
| 1986-1987 | Buick | Riviera | Luxury |
| 1986-1987 | Buick | Riviera | T-Type |
| 1986-1988 | Buick | Skylark | Custom |
| 1986-1988 | Buick | Skylark | Limited |
| 1986-1987 | Buick | Somerset | Custom |
| 1986-1987 | Buick | Somerset | Limited |
| 1986 | Buick | Somerset | T-Type |
| 1985 | Buick | Somerset Regal | Base |
| 1985 | Buick | Somerset Regal | Limited |
| 2004-2007 | Cadillac | CTS | V |
| 2002-2014 | Cadillac | Escalade | Base |
| 2009-2013 | Cadillac | Escalade | Hybrid |
| 2010-2013 | Cadillac | Escalade | Hybrid Platinum |
| 2011-2014 | Cadillac | Escalade | Luxury |
| 2008-2014 | Cadillac | Escalade | Platinum |
| 2011-2014 | Cadillac | Escalade | Premium |
| 2003-2014 | Cadillac | Escalade ESV | Base |
| 2011-2014 | Cadillac | Escalade ESV | Luxury |
| 2008-2014 | Cadillac | Escalade ESV | Platinum |
| 2011-2014 | Cadillac | Escalade ESV | Premium |
| 2002-2013 | Cadillac | Escalade EXT | Base |
| 2011-2013 | Cadillac | Escalade EXT | Luxury |
| 2011-2013 | Cadillac | Escalade EXT | Premium |
| 2004-2006 | Cadillac | SRX | Base |
| 2005-2006 | Cadillac | STS | Base |
| 2004-2006 | Cadillac | XLR | Base |
| 2013 | Chevrolet | Avalanche | Black Diamond LS |
| 2013 | Chevrolet | Avalanche | Black Diamond LT |
| 2013 | Chevrolet | Avalanche | Black Diamond LTZ |
| 2007-2012 | Chevrolet | Avalanche | LS |
| 2007-2012 | Chevrolet | Avalanche | LT |
| 2007-2012 | Chevrolet | Avalanche | LTZ |
| 2002-2005 | Chevrolet | Avalanche 1500 | Base |
| 2005-2006 | Chevrolet | Avalanche 1500 | LS |
| 2005-2006 | Chevrolet | Avalanche 1500 | LT |
| 2002-2003 | Chevrolet | Avalanche 1500 | North Face |
| 2002-2003 | Chevrolet | Avalanche 1500 | On Road Edition |
| 2003 | Chevrolet | Avalanche 1500 | WBH |
| 2004-2006 | Chevrolet | Avalanche 1500 | Z66 |
| 2002-2006 | Chevrolet | Avalanche 1500 | Z71 |
| 2010-2015 | Chevrolet | Camaro | SS |
| 1998-2002 | Chevrolet | Camaro | Z28 |
| 1998-2002 | Chevrolet | Camaro | Z28 SS |
| 2011-2017 | Chevrolet | Caprice | PPV |
| 1998-2002 | Chevrolet | Cavalier | Base |
| 1998-2002 | Chevrolet | Cavalier | LS |
| 2002 | Chevrolet | Cavalier | LS Sport |
| 1998-1999 | Chevrolet | Cavalier | RS |
| 2009-2012 | Chevrolet | Colorado | LT |
| 2003 | Chevrolet | Corvette | 50th Anniversary Edition |
| 2003 | Chevrolet | Corvette | 50th Anniversary Edition Pace Car |
| 1996-2004,2006-2013 | Chevrolet | Corvette | Base |
| 1996 | Chevrolet | Corvette | Collector's Edition |
| 1996,2010-2013 | Chevrolet | Corvette | Grand Sport |
| 1998 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
| 2001-2004 | Chevrolet | Corvette | Z06 |
| 1993-1995 | Chevrolet | Corvette | ZR-1 |
| 2003-2014 | Chevrolet | Express 1500 | Base |
| 2003-2014 | Chevrolet | Express 1500 | LS |
| 2006-2014 | Chevrolet | Express 1500 | LT |
| 2003-2020 | Chevrolet | Express 2500 | Base |
| 2003-2020 | Chevrolet | Express 2500 | LS |
| 2006-2020 | Chevrolet | Express 2500 | LT |
| 2003-2020 | Chevrolet | Express 3500 | Base |
| 2003-2020 | Chevrolet | Express 3500 | LS |
| 2006-2020 | Chevrolet | Express 3500 | LT |
| 2006-2009 | Chevrolet | Impala | SS |
| 1992-1994 | Chevrolet | Lumina | Euro |
| 1991-1994 | Chevrolet | Lumina | Z34 |
| 2006-2007 | Chevrolet | Monte Carlo | SS |
| 1995 | Chevrolet | Monte Carlo | Z34 |
| 1998-2003 | Chevrolet | S10 | Base |
| 1998-2003 | Chevrolet | S10 | LS |
| 1999-2003 | Chevrolet | S10 | Xtreme |
| 1999-2005 | Chevrolet | Silverado 1500 | Base |
| 2004-2006,2009-2013 | Chevrolet | Silverado 1500 | Hybrid |
| 1999-2006,2008-2013 | Chevrolet | Silverado 1500 | LS |
| 1999-2013 | Chevrolet | Silverado 1500 | LT |
| 2007-2013 | Chevrolet | Silverado 1500 | LTZ |
| 2003-2006 | Chevrolet | Silverado 1500 | SS |
| 2002-2004,2006-2013 | Chevrolet | Silverado 1500 | WT |
| 2010-2013 | Chevrolet | Silverado 1500 | XFE |
| 2004 | Chevrolet | Silverado 1500 | Z71 Off-Road |
| 2007 | Chevrolet | Silverado 1500 Classic | Hybrid |
| 2007 | Chevrolet | Silverado 1500 Classic | LS |
| 2007 | Chevrolet | Silverado 1500 Classic | LT |
| 2007 | Chevrolet | Silverado 1500 Classic | SS |
| 2007 | Chevrolet | Silverado 1500 Classic | WT |
| 2005 | Chevrolet | Silverado 1500 HD | Base |
| 2001-2003,2005 | Chevrolet | Silverado 1500 HD | LS |
| 2001-2003,2005-2006 | Chevrolet | Silverado 1500 HD | LT |
| 2007 | Chevrolet | Silverado 1500 HD Classic | LT |
| 1999-2004 | Chevrolet | Silverado 2500 | Base |
| 1999-2004 | Chevrolet | Silverado 2500 | LS |
| 1999-2004 | Chevrolet | Silverado 2500 | LT |
| 2004 | Chevrolet | Silverado 2500 | WT |
| 2001-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2015-2019 | Chevrolet | Silverado 2500 HD | High Country |
| 2001-2006 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2019 | Chevrolet | Silverado 2500 HD | LT |
| 2007-2019 | Chevrolet | Silverado 2500 HD | LTZ |
| 2003-2019 | Chevrolet | Silverado 2500 HD | WT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT |
| 2001-2005 | Chevrolet | Silverado 3500 | Base |
| 2001-2006 | Chevrolet | Silverado 3500 | LS |
| 2001-2006 | Chevrolet | Silverado 3500 | LT |
| 2004,2006 | Chevrolet | Silverado 3500 | WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LS |
| 2007 | Chevrolet | Silverado 3500 Classic | LT |
| 2007 | Chevrolet | Silverado 3500 Classic | WT |
| 2015-2019 | Chevrolet | Silverado 3500 HD | High Country |
| 2007-2019 | Chevrolet | Silverado 3500 HD | LT |
| 2007-2019 | Chevrolet | Silverado 3500 HD | LTZ |
| 2007-2019 | Chevrolet | Silverado 3500 HD | WT |
| 2014-2017 | Chevrolet | SS | Base |
| 2003-2006 | Chevrolet | SSR | Base |
| 2000-2001,2006 | Chevrolet | Suburban 1500 | Base |
| 2000-2014 | Chevrolet | Suburban 1500 | LS |
| 2000-2014 | Chevrolet | Suburban 1500 | LT |
| 2006-2014 | Chevrolet | Suburban 1500 | LTZ |
| 2004-2006 | Chevrolet | Suburban 1500 | Z71 |
| 2000-2001 | Chevrolet | Suburban 2500 | Base |
| 2000-2013 | Chevrolet | Suburban 2500 | LS |
| 2000-2013 | Chevrolet | Suburban 2500 | LT |
| 2007 | Chevrolet | Suburban 2500 | LTZ |
| 2016-2018 | Chevrolet | Suburban 3500 HD | LS |
| 2016-2018 | Chevrolet | Suburban 3500 HD | LT |
| 2000-2001,2006 | Chevrolet | Tahoe | Base |
| 2008-2013 | Chevrolet | Tahoe | Hybrid |
| 2000-2014 | Chevrolet | Tahoe | LS |
| 2000-2014 | Chevrolet | Tahoe | LT |
| 2007-2014 | Chevrolet | Tahoe | LTZ |
| 2012-2014 | Chevrolet | Tahoe | PPV |
| 2012-2014 | Chevrolet | Tahoe | SSV |
| 2003-2006 | Chevrolet | Tahoe | Z71 |
| 2008 | Chevrolet | Trailblazer | Base |
| 2006-2007 | Chevrolet | Trailblazer | LS |
| 2006-2009 | Chevrolet | Trailblazer | LT |
| 2006-2009 | Chevrolet | Trailblazer | SS |
| 2003-2006 | Chevrolet | Trailblazer EXT | LS |
| 2003-2006 | Chevrolet | Trailblazer EXT | LT |
| 2003-2004 | Chevrolet | Trailblazer EXT | North Face |
| 1975-1976 | Chevrolet | Vega | Cosworth |
| 1981-1983 | DeLorean | DMC 12 | Base |
| 1990-1992 | Dodge | Monaco | ES |
| 1990-1992 | Dodge | Monaco | LE |
| 1988-1989 | Eagle | Medallion | DL |
| 1988-1989 | Eagle | Medallion | LX |
| 1988-1992 | Eagle | Premier | ES |
| 1990-1992 | Eagle | Premier | ES Limited |
| 1988-1992 | Eagle | Premier | LX |
| 1986-1997 | Ford | Aerostar | Base |
| 1988-1991 | Ford | Aerostar | Eddie Bauer |
| 1986-1994 | Ford | Aerostar | XL |
| 1989-1994 | Ford | Aerostar | XL Plus |
| 1991-1994 | Ford | Aerostar | XL Sport |
| 1986-1997 | Ford | Aerostar | XLT |
| 1989-1997 | Ford | Aerostar | XLT Plus |
| 1991-1997 | Ford | Aerostar | XLT Sport |
| 1984-1986 | Ford | Bronco II | Base |
| 1984-1990 | Ford | Bronco II | Eddie Bauer |
| 1987-1990 | Ford | Bronco II | XL |
| 1988-1990 | Ford | Bronco II | XL Sport |
| 1984-1985 | Ford | Bronco II | XLS |
| 1984-1990 | Ford | Bronco II | XLT |
| 1989-1990 | Ford | Bronco II | XLT Plus |
| 1977-1982 | Ford | Courier | Base |
| 1979-1982 | Ford | Courier | XLT |
| 2009-2014 | Ford | E-150 | Base |
| 2009-2014 | Ford | E-150 | XL |
| 2009-2014 | Ford | E-150 | XLT |
| 2003-2004,2009-2014 | Ford | E-250 | Base |
| 1997-2002 | Ford | E-250 Econoline | Base |
| 1997-2000 | Ford | E-250 Econoline | XL |
| 2003-2004 | Ford | E-350 Club Wagon | Chateau |
| 2003-2004 | Ford | E-350 Club Wagon | XL |
| 2003-2004 | Ford | E-350 Club Wagon | XLT |
| 1997-1998 | Ford | E-350 Econoline | Base |
| 1997-1998 | Ford | E-350 Econoline | XL |
| 1997-2002 | Ford | E-350 Econoline Club Wagon | Chateau |
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