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 SportwagonView all Buick Sportwagon Spark Plugs |
 OUT OF STOCK 7189NGK Iridium IX Spark Plug Box of 4 (XR4IX) 1965-1967 Buick Sportwagon Base 1966-1966 Buick Sportwagon Custom $48.03
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Buick SuperView all Buick Super Spark Plugs |
Buick TerrazaView all Buick Terraza Spark Plugs |
IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 2005-2006 Buick Terraza CXL 2005-2006 Buick Terraza CX $48.03
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OUT OF STOCK 7300NGK Iridium IX Spark Plug Box of 4 (TR4IX) 2006-2007 Buick Terraza CXL 2006-2007 Buick Terraza CX $48.03
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Buick WildcatView all Buick Wildcat Spark Plugs |
OUT OF STOCK 7189NGK Iridium IX Spark Plug Box of 4 (XR4IX) 1963-1965 Buick Wildcat Base 1965-1965 Buick Wildcat Deluxe 1965-1965 Buick Wildcat Custom $48.03
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OUT OF STOCK 7355NGK Iridium IX Spark Plug Box of 4 (XR5IX) 1964-1966 Buick Wildcat Base 1965-1965 Buick Wildcat Deluxe 1965-1966 Buick Wildcat Custom 1966-1966 Buick Wildcat Gran Sport $48.03
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Cadillac NGK Iridium IX |
Cadillac 60 SpecialView all Cadillac 60 Special Spark Plugs |
Cadillac AllanteView all Cadillac Allante Spark Plugs |
IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1987-1993 Cadillac Allante Base 1990-1993 Cadillac Allante Value Leader 1993-1993 Cadillac Allante Indianapolis 500 Pace Car $48.03
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Cadillac ATSView all Cadillac ATS Spark Plugs |
OUT OF STOCK 6509NGK Iridium IX Spark Plug Box of 4 (LTR6IX-11) 2013-2015 Cadillac ATS Premium 2013-2015 Cadillac ATS Performance 2013-2015 Cadillac ATS Luxury $48.03
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IN STOCK 94374NGK Iridium IX Spark Plug Box of 4 (LTR6IX) 2013-2016 Cadillac ATS Premium 2013-2016 Cadillac ATS Performance 2013-2019 Cadillac ATS Luxury 2013-2019 Cadillac ATS Base $48.03
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Cadillac BroughamView all Cadillac Brougham Spark Plugs |
Cadillac CalaisView all Cadillac Calais Spark Plugs |
Cadillac CimarronView all Cadillac Cimarron Spark Plugs |
Cadillac Commercial Chassis |
OUT OF STOCK 7177NGK IX Iridium Spark Plug Box of 4 (UR5IX) 1992-1992 Cadillac Commercial Chassis Brougham $48.03
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IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1985-1996 Cadillac Commercial Chassis Base 1994-1996 Cadillac Commercial Chassis Brougham $48.03
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Cadillac CT6View all Cadillac CT6 Spark Plugs |
IN STOCK 94374NGK Iridium IX Spark Plug Box of 4 (LTR6IX) 2016-2018 Cadillac CT6 Luxury 2016-2018 Cadillac CT6 Base 2017-2018 Cadillac CT6 Plug-In $48.03
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Cadillac CTSView all Cadillac CTS Spark Plugs |
OUT OF STOCK 6509NGK Iridium IX Spark Plug Box of 4 (LTR6IX-11) 2004-2014 Cadillac CTS Base 2010-2015 Cadillac CTS Premium 2010-2015 Cadillac CTS Performance 2010-2015 Cadillac CTS Luxury $48.03
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IN STOCK 94374NGK Iridium IX Spark Plug Box of 4 (LTR6IX) 2014-2016 Cadillac CTS Premium 2014-2016 Cadillac CTS Performance 2014-2019 Cadillac CTS Luxury 2014-2019 Cadillac CTS Base $48.03
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Cadillac DeVilleView all Cadillac DeVille Spark Plugs |
OUT OF STOCK 7355NGK Iridium IX Spark Plug Box of 4 (XR5IX) 1953-1956 Cadillac DeVille Base 1958-1966 Cadillac DeVille Base $48.03
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IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1982-1985 Cadillac DeVille Cabriolet 1982-1985 Cadillac DeVille Base 1986-1987 Cadillac DeVille Touring 1987-2005 Cadillac DeVille Base 1991-1993 Cadillac DeVille Touring 1991-1991 Cadillac DeVille Spring Edition 1994-1999 Cadillac DeVille Concours 2000-2005 Cadillac DeVille DTS 2000-2005 Cadillac DeVille DHS 2004-2005 Cadillac DeVille Protection Series $48.03
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Cadillac DTSView all Cadillac DTS Spark Plugs |
IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 2006-2011 Cadillac DTS Base 2007-2011 Cadillac DTS Luxury 2008-2011 Cadillac DTS Platinum 2010-2011 Cadillac DTS Premium 2010-2011 Cadillac DTS Livery $48.03
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Cadillac EldoradoView all Cadillac Eldorado Spark Plugs |
OUT OF STOCK 7355NGK Iridium IX Spark Plug Box of 4 (XR5IX) 1953-1966 Cadillac Eldorado Base 1957-1957 Cadillac Eldorado Brougham 1959-1960 Cadillac Eldorado Brougham 1963-1964 Cadillac Eldorado Biarritz $48.03
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OUT OF STOCK 7293NGK Iridium IX Spark Plug Box of 4 (XR45IX) 1979-1980 Cadillac Eldorado Cabriolet 1979-1980 Cadillac Eldorado Biarritz 1979-1980 Cadillac Eldorado Base $48.03
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IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1982-1985 Cadillac Eldorado Touring 1982-1985 Cadillac Eldorado Cabriolet 1982-1991 Cadillac Eldorado Biarritz 1982-1997 Cadillac Eldorado Base 1990-1994 Cadillac Eldorado Touring 1991-1991 Cadillac Eldorado Spring Edition 1993-1993 Cadillac Eldorado Sport 1995-2002 Cadillac Eldorado ETC 1998-2002 Cadillac Eldorado ESC $48.03
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Cadillac EscaladeView all Cadillac Escalade Spark Plugs |
IN STOCK 7397NGK IX Iridium Spark Plug Box of 4 (TR5IX) 2002-2014 Cadillac Escalade Base 2008-2014 Cadillac Escalade Platinum 2009-2013 Cadillac Escalade Hybrid 2010-2013 Cadillac Escalade Hybrid Platinum 2011-2014 Cadillac Escalade Premium 2011-2014 Cadillac Escalade Luxury $48.03
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Cadillac Escalade ESVView all Cadillac Escalade ESV Spark Plugs |
IN STOCK 7397NGK IX Iridium Spark Plug Box of 4 (TR5IX) 2003-2014 Cadillac Escalade ESV Base 2008-2014 Cadillac Escalade ESV Platinum 2011-2014 Cadillac Escalade ESV Premium 2011-2014 Cadillac Escalade ESV Luxury $48.03
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Cadillac Escalade EXTView all Cadillac Escalade EXT Spark Plugs |
IN STOCK 7397NGK IX Iridium Spark Plug Box of 4 (TR5IX) 2002-2013 Cadillac Escalade EXT Base 2011-2013 Cadillac Escalade EXT Premium 2011-2013 Cadillac Escalade EXT Luxury $48.03
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Cadillac FleetwoodView all Cadillac Fleetwood Spark Plugs |
OUT OF STOCK 7355NGK Iridium IX Spark Plug Box of 4 (XR5IX) 1965-1966 Cadillac Fleetwood 75 1965-1966 Cadillac Fleetwood 60 Special 1966-1966 Cadillac Fleetwood Base $48.03
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OUT OF STOCK 7189NGK Iridium IX Spark Plug Box of 4 (XR4IX) 1967-1967 Cadillac Fleetwood Base 1967-1967 Cadillac Fleetwood 75 1967-1967 Cadillac Fleetwood 60 Special $48.03
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OUT OF STOCK 97382NGK Iridium IX Spark Plug Box of 4 (GR4IX) 1968-1970 Cadillac Fleetwood Brougham 1968-1974 Cadillac Fleetwood Base 1968-1974 Cadillac Fleetwood 75 1968-1974 Cadillac Fleetwood 60 Special 1973-1974 Cadillac Fleetwood 60 Special Brougham $48.03
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IN STOCK 7164NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1982-1985 Cadillac Fleetwood Brougham 1985-1989 Cadillac Fleetwood Brougham Commercial Chassis 1985-1992 Cadillac Fleetwood Base 1985-1987 Cadillac Fleetwood 75 Formal 1985-1987 Cadillac Fleetwood 75 1987-1992 Cadillac Fleetwood 60 Special 1994-1996 Cadillac Fleetwood Brougham 1994-1996 Cadillac Fleetwood Base $48.03
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Cadillac Series 60 Fleetwood |
OUT OF STOCK 7189NGK Iridium IX Spark Plug Box of 4 (XR4IX) 1950-1952 Cadillac Series 60 Fleetwood Base $48.03
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OUT OF STOCK 7355NGK Iridium IX Spark Plug Box of 4 (XR5IX) 1953-1964 Cadillac Series 60 Fleetwood Base $48.03
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Cadillac Series 61View all Cadillac Series 61 Spark Plugs |
Cadillac Series 62View all Cadillac Series 62 Spark Plugs |
OUT OF STOCK 7189NGK Iridium IX Spark Plug Box of 4 (XR4IX) 1952-1952 Cadillac Series 62 DeVille 1952-1952 Cadillac Series 62 Base $48.03
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Cadillac Series 70 Fleetwood Eldorado |
OUT OF STOCK 7355NGK Iridium IX Spark Plug Box of 4 (XR5IX) 1958-1958 Cadillac Series 70 Fleetwood Eldorado Base $48.03
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Cadillac Series 75 Fleetwood |
OUT OF STOCK 7189NGK Iridium IX Spark Plug Box of 4 (XR4IX) 1950-1952 Cadillac Series 75 Fleetwood Base $48.03
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OUT OF STOCK 7355NGK Iridium IX Spark Plug Box of 4 (XR5IX) 1953-1964 Cadillac Series 75 Fleetwood Base $48.03
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