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.
Fitment Information Unavailable |
Acura NGK Iridium IX |
Acura ILXView all Acura ILX Spark Plugs |
Acura IntegraView all Acura Integra Spark Plugs |
 OUT OF STOCK 4919NGK Iridium IX Spark Plug Box of 4 (BCPR6EIX-11) 1986-1989 Acura Integra RS 1986-1989 Acura Integra LS 1987-1988 Acura Integra LS Special Edition $48.03
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OUT OF STOCK 3306NGK Iridium IX Spark Plug Box of 4 (BCPR5EIX-11) 1990-1991 Acura Integra RS 1990-1991 Acura Integra LS 1990-1991 Acura Integra GS $48.03
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Acura LegendView all Acura Legend Spark Plugs |
OUT OF STOCK 4919NGK Iridium IX Spark Plug Box of 4 (BCPR6EIX-11) 1986-1990 Acura Legend Base 1987-1990 Acura Legend LS 1987-1990 Acura Legend L $48.03
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Acura MDXView all Acura MDX Spark Plugs |
OUT OF STOCK 94553NGK Iridium IX Spark Plug Box of 4 (ZFR5AIX-11) 2003-2006 Acura MDX Touring 2003-2006 Acura MDX Base $48.03
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Acura RDXView all Acura RDX Spark Plugs |
Acura RLView all Acura RL Spark Plugs |
Acura RLXView all Acura RLX Spark Plugs |
OUT OF STOCK 93175NGK Iridium IX Spark Plug Box of 4 (KR7DIX-11S) 2014-2014 Acura RLX Sport Hybrid SH-AWD 2014-2019 Acura RLX Base 2016-2019 Acura RLX Sport Hybrid SH-AWD $48.03
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Acura RSXView all Acura RSX Spark Plugs |
Acura TLView all Acura TL Spark Plugs |
IN STOCK 97138NGK Iridium IX Spark Plug Box of 4 (ZFR6AIX-11S) 2004-2008 Acura TL Base 2007-2008 Acura TL Type-S $48.03
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OUT OF STOCK 93175NGK Iridium IX Spark Plug Box of 4 (KR7DIX-11S) 2009-2014 Acura TL SH-AWD 2009-2014 Acura TL Base $48.03
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Acura TLXView all Acura TLX Spark Plugs |
OUT OF STOCK 93175NGK Iridium IX Spark Plug Box of 4 (KR7DIX-11S) 2015-2019 Acura TLX SH-AWD 2015-2019 Acura TLX Base $48.03
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Acura TSXView all Acura TSX Spark Plugs |
OUT OF STOCK 93175NGK Iridium IX Spark Plug Box of 4 (KR7DIX-11S) 2009-2014 Acura TSX Base 2010-2014 Acura TSX V6 2012-2014 Acura TSX Special Edition $48.03
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Acura ZDXView all Acura ZDX Spark Plugs |
Alfa Romeo NGK Iridium IX |
Alfa Romeo 2600View all Alfa Romeo 2600 Spark Plugs |
OUT OF STOCK 6637NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1967-1967 Alfa Romeo 2600 SZ 1967-1967 Alfa Romeo 2600 Berlina $48.03
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Alfa Romeo AlfettaView all Alfa Romeo Alfetta Spark Plugs |
OUT OF STOCK 6637NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1975-1977 Alfa Romeo Alfetta Sport 1975-1977 Alfa Romeo Alfetta GT $48.03
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Alfa Romeo GTV-6View all Alfa Romeo GTV-6 Spark Plugs |
Alfa Romeo MilanoView all Alfa Romeo Milano Spark Plugs |
OUT OF STOCK 6637NGK IX Iridium Spark Plug Box of 4 (BPR6EIX) 1987-1987 Alfa Romeo Milano Silver 1987-1989 Alfa Romeo Milano Platinum 1987-1989 Alfa Romeo Milano Gold $48.03
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Alfa Romeo MontrealView all Alfa Romeo Montreal Spark Plugs |
$48.03
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Alfa Romeo SportView all Alfa Romeo Sport Spark Plugs |
Alfa Romeo SprintView all Alfa Romeo Sprint Spark Plugs |
$48.03
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AM General NGK Iridium IX |
AM General HummerView all AM General Hummer Spark Plugs |
American IronHorse NGK Iridium IX |
American IronHorse Bandit |
$48.03
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American IronHorse Classic |
IN STOCK 2115NGK IX Iridium Spark Plug Box of 4 (BPR5EIX-11) 2000-2002 American IronHorse Classic Base $48.03
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American IronHorse Legend |
$48.03
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American IronHorse Outlaw |
$48.03
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American IronHorse Ranger |
$48.03
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American IronHorse Ranger T |
IN STOCK 2115NGK IX Iridium Spark Plug Box of 4 (BPR5EIX-11) 2003-2003 American IronHorse Ranger T Base $48.03
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American IronHorse Slammer |
IN STOCK 2115NGK IX Iridium Spark Plug Box of 4 (BPR5EIX-11) 2000-2003 American IronHorse Slammer Base $48.03
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American IronHorse Stalker |
IN STOCK 2115NGK IX Iridium Spark Plug Box of 4 (BPR5EIX-11) 2000-2000 American IronHorse Stalker Base 2003-2003 American IronHorse Stalker Base $48.03
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American IronHorse TejasView all American IronHorse Tejas Spark Plugs |
$48.03
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American IronHorse Texas Chopper |
IN STOCK 2115NGK IX Iridium Spark Plug Box of 4 (BPR5EIX-11) 2003-2003 American IronHorse Texas Chopper Base $48.03
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American IronHorse Thunder |
IN STOCK 2115NGK IX Iridium Spark Plug Box of 4 (BPR5EIX-11) 2000-2002 American IronHorse Thunder Base $48.03
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American Motors NGK Iridium IX |
American Motors Ambassador |
OUT OF STOCK 97382NGK Iridium IX Spark Plug Box of 4 (GR4IX) 1965-1970 American Motors Ambassador Base 1965-1967 American Motors Ambassador 990 1966-1971 American Motors Ambassador DPL 1968-1972 American Motors Ambassador SST 1971-1974 American Motors Ambassador Brougham $48.03
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American Motors AmericanView all American Motors American Spark Plugs |
OUT OF STOCK 97382NGK Iridium IX Spark Plug Box of 4 (GR4IX) 1964-1968 American Motors American Base 1964-1964 American Motors American 440H 1965-1968 American Motors American 440 1967-1968 American Motors American Rogue $48.03
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American Motors AMXView all American Motors AMX Spark Plugs |
OUT OF STOCK 97382NGK Iridium IX Spark Plug Box of 4 (GR4IX) 1968-1970 American Motors AMX Base 1978-1979 American Motors AMX Base $48.03
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American Motors ClassicView all American Motors Classic Spark Plugs |
OUT OF STOCK 97382NGK Iridium IX Spark Plug Box of 4 (GR4IX) 1964-1966 American Motors Classic Base 1964-1966 American Motors Classic 770 1965-1965 American Motors Classic 660 $48.03
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American Motors ConcordView all American Motors Concord Spark Plugs |
OUT OF STOCK 97382NGK Iridium IX Spark Plug Box of 4 (GR4IX) 1978-1979 American Motors Concord Base 1979-1979 American Motors Concord Limited 1979-1979 American Motors Concord DL $48.03
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American Motors GremlinView all American Motors Gremlin Spark Plugs |
OUT OF STOCK 97382NGK Iridium IX Spark Plug Box of 4 (GR4IX) 1970-1977 American Motors Gremlin Base 1976-1977 American Motors Gremlin Custom $48.03
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