Looking to upgrade your Buick with a spark plug from NGK? We carry a great variety of NGK Iridium IX and other ignition performance parts for your Buick.
We have 17 NGK Iridium IX available for Buick models with free shipping to the Continental US 48 States.
Buick NGK Iridium IX |
Buick ApolloView all Buick Apollo Spark Plugs |
 OUT OF STOCK 7293NGK Iridium IX Spark Plug Box of 4 (XR45IX) 1975-1975 Buick Apollo SR 1975-1975 Buick Apollo Base $48.03
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OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1975-1975 Buick Apollo SR 1975-1975 Buick Apollo Base $48.03
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Buick CenturyView all Buick Century Spark Plugs |
OUT OF STOCK 7293NGK Iridium IX Spark Plug Box of 4 (XR45IX) 1975-1976 Buick Century Special 1975-1977 Buick Century Custom 1975-1977 Buick Century Base $48.03
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OUT OF STOCK 7177NGK IX Iridium Spark Plug Box of 4 (UR5IX) 1986-1986 Buick Century Limited 1986-1986 Buick Century Estate Wagon 1986-1986 Buick Century Custom $48.03
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IN STOCK 7397NGK IX Iridium Spark Plug Box of 4 (TR5IX) 1986-1986 Buick Century T-Type 1986-1988 Buick Century Limited 1986-1988 Buick Century Estate Wagon 1986-1988 Buick Century Custom $48.03
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OUT OF STOCK 7272NGK Iridium IX Spark Plug Box of 4 (UR55IX) 1984-1984 Buick Century Olympia Limited 1984-1992 Buick Century Limited 1984-1984 Buick Century Estate 1984-1992 Buick Century Custom 1985-1989 Buick Century Estate Wagon 1991-1992 Buick Century Special $48.03
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OUT OF STOCK 7300NGK Iridium IX Spark Plug Box of 4 (TR4IX) 1987-1989 Buick Century Limited 1987-1988 Buick Century Estate Wagon 1987-1989 Buick Century Custom 1993-1993 Buick Century Special 1993-1993 Buick Century Limited 1993-1993 Buick Century Custom $48.03
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OUT OF STOCK 7316NGK Iridium IX Spark Plug Box of 4 (TR55-1IX) 1994-1996 Buick Century Special 1994-1994 Buick Century Custom 1996-1996 Buick Century Limited $48.03
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IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1989-1993 Buick Century Limited 1989-1989 Buick Century Estate Wagon 1989-2005 Buick Century Custom 1991-1996 Buick Century Special 1996-2002 Buick Century Limited 2004-2005 Buick Century Limited 2005-2005 Buick Century Special Edition $48.03
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Buick Commercial ChassisView all Buick Commercial Chassis Spark Plugs |
$48.03
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$48.03
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Buick ElectraView all Buick Electra Spark Plugs |
OUT OF STOCK 7189NGK Iridium IX Spark Plug Box of 4 (XR4IX) 1959-1965 Buick Electra Base 1959-1962 Buick Electra 225 $48.03
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OUT OF STOCK 7355NGK Iridium IX Spark Plug Box of 4 (XR5IX) 1965-1966 Buick Electra Base 1966-1966 Buick Electra Custom $48.03
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OUT OF STOCK 7293NGK Iridium IX Spark Plug Box of 4 (XR45IX) 1977-1984 Buick Electra Limited 1977-1979 Buick Electra 225 1978-1984 Buick Electra Park Avenue 1980-1984 Buick Electra Estate Wagon $48.03
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IN STOCK 7397NGK IX Iridium Spark Plug Box of 4 (TR5IX) 1986-1987 Buick Electra T-Type 1986-1987 Buick Electra Park Avenue 1986-1987 Buick Electra Limited $48.03
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IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1988-1990 Buick Electra T-Type 1988-1990 Buick Electra Park Avenue 1988-1990 Buick Electra Limited 1989-1990 Buick Electra Park Avenue Ultra $48.03
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Buick EnclaveView all Buick Enclave Spark Plugs |
IN STOCK 6509NGK Iridium IX Spark Plug Box of 4 (LTR6IX-11) 2008-2011 Buick Enclave CXL 2008-2011 Buick Enclave CX 2012-2013 Buick Enclave Base 2014-2020 Buick Enclave Premium 2014-2017 Buick Enclave Leather 2014-2017 Buick Enclave Convenience 2018-2020 Buick Enclave Essence 2018-2018 Buick Enclave Base 2019-2020 Buick Enclave Preferred $48.03
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Buick EnvisionView all Buick Envision Spark Plugs |
Buick Estate WagonView all Buick Estate Wagon Spark Plugs |
Buick Gran SportView all Buick Gran Sport Spark Plugs |
OUT OF STOCK 7189NGK Iridium IX Spark Plug Box of 4 (XR4IX) 1965-1965 Buick Gran Sport Base 1967-1967 Buick Gran Sport Base $48.03
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Buick InvictaView all Buick Invicta Spark Plugs |
Buick LaCrosseView all Buick LaCrosse Spark Plugs |
IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 2005-2009 Buick LaCrosse CXL 2005-2009 Buick LaCrosse CX $48.03
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IN 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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IN 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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