Looking to upgrade your vehicle with a spark plug from NGK? We carry a great variety of NGK Iridium IX and other ignition performance parts for your vehicle.
We have 82 NGK Iridium IX available with free shipping to the Continental US 48 States.
Buick NGK Iridium IX |
Buick LaCrosseView all Buick LaCrosse Spark Plugs |
 OUT OF STOCK 6509NGK Iridium IX Spark Plug Box of 4 (LTR6IX-11) 2005-2008 Buick LaCrosse CXS 2010-2011 Buick LaCrosse CXS 2010-2011 Buick LaCrosse CXL 2010-2011 Buick LaCrosse CX 2012-2013 Buick LaCrosse Touring 2012-2016 Buick LaCrosse Premium 2012-2016 Buick LaCrosse Leather 2012-2012 Buick LaCrosse Convenience 2012-2016 Buick LaCrosse Base 2016-2016 Buick LaCrosse Sport Touring $48.03
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Buick LeSabreView all Buick LeSabre Spark Plugs |
OUT OF STOCK 7189NGK Iridium IX Spark Plug Box of 4 (XR4IX) 1959-1965 Buick LeSabre Base 1965-1965 Buick LeSabre Custom $48.03
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OUT OF STOCK 7355NGK Iridium IX Spark Plug Box of 4 (XR5IX) 1964-1964 Buick LeSabre Base 1966-1967 Buick LeSabre Custom 1966-1967 Buick LeSabre Base $48.03
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OUT OF STOCK 7293NGK Iridium IX Spark Plug Box of 4 (XR45IX) 1976-1981 Buick LeSabre Base 1977-1977 Buick LeSabre Custom Sport 1977-1978 Buick LeSabre Custom 1979-1984 Buick LeSabre Limited 1981-1981 Buick LeSabre Sport 1982-1982 Buick LeSabre Limited Edition F/E 1982-1984 Buick LeSabre Custom $48.03
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IN STOCK 7397NGK IX Iridium Spark Plug Box of 4 (TR5IX) 1986-1988 Buick LeSabre Limited 1986-1988 Buick LeSabre Custom 1987-1987 Buick LeSabre T-Type 1987-1988 Buick LeSabre Base $48.03
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IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1988-2005 Buick LeSabre Limited 1988-2005 Buick LeSabre Custom 1988-1991 Buick LeSabre Base $48.03
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Buick LimitedView all Buick Limited Spark Plugs |
Buick LucerneView all Buick Lucerne Spark Plugs |
IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 2006-2008 Buick Lucerne CXS 2006-2008 Buick Lucerne CXL 2006-2008 Buick Lucerne CX 2008-2011 Buick Lucerne Super $48.03
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OUT OF STOCK 7300NGK Iridium IX Spark Plug Box of 4 (TR4IX) 2009-2011 Buick Lucerne CXL 2009-2011 Buick Lucerne CX 2010-2010 Buick Lucerne CXL Special Edition $48.03
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Buick OpelView all Buick Opel Spark Plugs |
OUT OF STOCK 6637NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1976-1979 Buick Opel Base 1977-1979 Buick Opel Deluxe 1978-1979 Buick Opel Sport $48.03
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Buick Park AvenueView all Buick Park Avenue Spark Plugs |
IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1991-2005 Buick Park Avenue Ultra 1991-2005 Buick Park Avenue Base $48.03
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Buick RainierView all Buick Rainier Spark Plugs |
IN STOCK 7397NGK IX Iridium Spark Plug Box of 4 (TR5IX) 2004-2005 Buick Rainier CXL Plus 2004-2007 Buick Rainier CXL $48.03
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Buick ReattaView all Buick Reatta Spark Plugs |
Buick RegalView all Buick Regal Spark Plugs |
OUT OF STOCK 7293NGK Iridium IX Spark Plug Box of 4 (XR45IX) 1975-1977 Buick Regal Base 1976-1977 Buick Regal SR $48.03
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OUT OF STOCK 7300NGK Iridium IX Spark Plug Box of 4 (TR4IX) 1988-1993 Buick Regal Limited 1988-1993 Buick Regal Custom 1989-1989 Buick Regal Gran Sport $48.03
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IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1990-1996 Buick Regal Limited 1990-1996 Buick Regal Gran Sport 1990-1996 Buick Regal Custom 1996-1996 Buick Regal Olympic Gold Edition 1997-2004 Buick Regal LS 1997-2004 Buick Regal GS 1998-1998 Buick Regal 25th Anniversary Edition 2000-2000 Buick Regal LSE 2000-2000 Buick Regal GSE $48.03
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IN STOCK 94374NGK Iridium IX Spark Plug Box of 4 (LTR6IX) 2014-2017 Buick Regal Premium 2014-2017 Buick Regal GS 2015-2017 Buick Regal Base 2016-2017 Buick Regal Sport Touring $48.03
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Buick Regal SportbackView all Buick Regal Sportback Spark Plugs |
IN STOCK 94374NGK Iridium IX Spark Plug Box of 4 (LTR6IX) 2018-2019 Buick Regal Sportback Preferred II 2018-2020 Buick Regal Sportback Preferred 2018-2020 Buick Regal Sportback Essence 2018-2020 Buick Regal Sportback Base $48.03
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Buick Regal TourXView all Buick Regal TourX Spark Plugs |
IN STOCK 94374NGK Iridium IX Spark Plug Box of 4 (LTR6IX) 2018-2020 Buick Regal TourX Preferred 2018-2020 Buick Regal TourX Essence 2018-2020 Buick Regal TourX Base $48.03
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Buick RendezvousView all Buick Rendezvous Spark Plugs |
IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 2002-2003 Buick Rendezvous CXL Plus 2002-2007 Buick Rendezvous CXL 2002-2003 Buick Rendezvous CX Plus 2002-2007 Buick Rendezvous CX 2005-2005 Buick Rendezvous CX Plus $48.03
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OUT OF STOCK 6509NGK Iridium IX Spark Plug Box of 4 (LTR6IX-11) 2004-2005 Buick Rendezvous Ultra 2004-2004 Buick Rendezvous CXL 2005-2005 Buick Rendezvous CXL Plus 2006-2006 Buick Rendezvous CXL 2006-2006 Buick Rendezvous CX $48.03
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Buick RivieraView all Buick Riviera Spark Plugs |
OUT OF STOCK 7355NGK Iridium IX Spark Plug Box of 4 (XR5IX) 1963-1966 Buick Riviera Base 1965-1966 Buick Riviera Gran Sport $48.03
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OUT OF STOCK 7293NGK Iridium IX Spark Plug Box of 4 (XR45IX) 1977-1984 Buick Riviera Base 1978-1978 Buick Riviera LXXV Anniversary Edition 1979-1980 Buick Riviera S 1981-1981 Buick Riviera T-Type 1982-1982 Buick Riviera Limited Edition 1983-1983 Buick Riviera XX Anniversary Edition 1983-1984 Buick Riviera Luxury $48.03
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IN STOCK 7397NGK IX Iridium Spark Plug Box of 4 (TR5IX) 1986-1987 Buick Riviera T-Type 1986-1987 Buick Riviera Luxury $48.03
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IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1988-1989 Buick Riviera T-Type 1988-1993 Buick Riviera Luxury 1995-1999 Buick Riviera Base $48.03
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Buick RoadmasterView all Buick Roadmaster Spark Plugs |
OUT OF STOCK 7189NGK Iridium IX Spark Plug Box of 4 (XR4IX) 1953-1958 Buick Roadmaster Base 1957-1957 Buick Roadmaster 75 $48.03
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OUT OF STOCK 7177NGK IX Iridium Spark Plug Box of 4 (UR5IX) 1992-1993 Buick Roadmaster Limited 1992-1993 Buick Roadmaster Estate Wagon 1992-1993 Buick Roadmaster Base $48.03
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IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1994-1995 Buick Roadmaster Limited 1994-1995 Buick Roadmaster Estate Wagon 1994-1995 Buick Roadmaster Base $48.03
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Buick SkyhawkView all Buick Skyhawk Spark Plugs |
OUT OF STOCK 7293NGK Iridium IX Spark Plug Box of 4 (XR45IX) 1975-1976 Buick Skyhawk S 1975-1976 Buick Skyhawk Base $48.03
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OUT OF STOCK 7214NGK Iridium IX Spark Plug Box of 4 (GR5IX) 1982-1984 Buick Skyhawk Limited 1982-1984 Buick Skyhawk Custom 1983-1987 Buick Skyhawk T-Type 1986-1987 Buick Skyhawk Sport 1986-1987 Buick Skyhawk Limited 1986-1987 Buick Skyhawk Custom $48.03
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OUT OF STOCK 7177NGK IX Iridium Spark Plug Box of 4 (UR5IX) 1982-1986 Buick Skyhawk Limited 1982-1986 Buick Skyhawk Custom 1986-1986 Buick Skyhawk Sport $48.03
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OUT OF STOCK 7300NGK Iridium IX Spark Plug Box of 4 (TR4IX) 1987-1987 Buick Skyhawk T-Type 1987-1987 Buick Skyhawk Sport 1987-1987 Buick Skyhawk Limited 1987-1989 Buick Skyhawk Custom 1988-1989 Buick Skyhawk SE $48.03
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Buick SkylarkView all Buick Skylark Spark Plugs |
OUT OF STOCK 7189NGK Iridium IX Spark Plug Box of 4 (XR4IX) 1954-1954 Buick Skylark Base 1965-1967 Buick Skylark Base $48.03
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OUT OF STOCK 97382NGK Iridium IX Spark Plug Box of 4 (GR4IX) 1968-1969 Buick Skylark Custom 1968-1969 Buick Skylark Base $48.03
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OUT OF STOCK 7293NGK Iridium IX Spark Plug Box of 4 (XR45IX) 1975-1977 Buick Skylark SR 1975-1977 Buick Skylark Base 1976-1977 Buick Skylark S $48.03
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OUT OF STOCK 7177NGK IX Iridium Spark Plug Box of 4 (UR5IX) 1980-1983 Buick Skylark Sport 1980-1985 Buick Skylark Limited 1980-1982 Buick Skylark Base 1983-1984 Buick Skylark T-Type 1983-1985 Buick Skylark Custom $48.03
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IN STOCK 7397NGK IX Iridium Spark Plug Box of 4 (TR5IX) 1986-1988 Buick Skylark Limited 1986-1988 Buick Skylark Custom $48.03
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OUT OF STOCK 7272NGK Iridium IX Spark Plug Box of 4 (UR55IX) 1983-1989 Buick Skylark Limited 1983-1991 Buick Skylark Custom 1990-1991 Buick Skylark Luxury Edition 1990-1991 Buick Skylark Gran Sport 1990-1991 Buick Skylark Base $48.03
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IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1989-1989 Buick Skylark Limited 1989-1998 Buick Skylark Custom 1990-1991 Buick Skylark Luxury Edition 1990-1997 Buick Skylark Gran Sport 1991-1991 Buick Skylark Base 1993-1997 Buick Skylark Limited 1996-1996 Buick Skylark Olympic Gold Edition $48.03
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Buick SomersetView all Buick Somerset Spark Plugs |
IN STOCK 7397NGK IX Iridium Spark Plug Box of 4 (TR5IX) 1986-1986 Buick Somerset T-Type 1986-1987 Buick Somerset Limited 1986-1987 Buick Somerset Custom $48.03
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OUT OF STOCK 7272NGK Iridium IX Spark Plug Box of 4 (UR55IX) 1986-1986 Buick Somerset T-Type 1986-1987 Buick Somerset Limited 1986-1987 Buick Somerset Custom $48.03
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Buick Somerset RegalView all Buick Somerset Regal Spark Plugs |
IN STOCK 7397NGK IX Iridium Spark Plug Box of 4 (TR5IX) 1985-1985 Buick Somerset Regal Limited 1985-1985 Buick Somerset Regal Base $48.03
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OUT OF STOCK 7272NGK Iridium IX Spark Plug Box of 4 (UR55IX) 1985-1985 Buick Somerset Regal Limited 1985-1985 Buick Somerset Regal Base $48.03
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Buick SpecialView all Buick Special Spark Plugs |
OUT OF STOCK 7355NGK Iridium IX Spark Plug Box of 4 (XR5IX) 1964-1967 Buick Special Deluxe 1964-1967 Buick Special Base $48.03
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OUT OF STOCK 7189NGK Iridium IX Spark Plug Box of 4 (XR4IX) 1951-1958 Buick Special Base 1962-1963 Buick Special Base 1963-1963 Buick Special Deluxe 1965-1967 Buick Special Deluxe 1965-1967 Buick Special Base $48.03
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