View our Specials! Coupon Code: SaveIn2026
GMC NGK Iridium IX |
GMC AcadiaView all GMC Acadia Spark Plugs |
 IN STOCK - LOW 6509NGK Iridium IX Spark Plug Box of 4 (LTR6IX-11) 2007-2016 GMC Acadia SLT 2007-2016 GMC Acadia SLE 2010-2013 GMC Acadia SL 2011-2016 GMC Acadia Denali 2016-2016 GMC Acadia SL $54.25
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GMC Acadia LimitedView all GMC Acadia Limited Spark Plugs |
$54.25
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GMC C15View all GMC C15 Spark Plugs |
OUT OF STOCK 7516NGK Iridium IX Spark Plug Box of 4 (YR5IX) 1975-1978 GMC C15 Base 1975-1978 GMC C15 High Sierra 1975-1978 GMC C15 Sierra Classic 1975-1978 GMC C15 Sierra Grande 1977-1978 GMC C15 Heavy Half 1977-1977 GMC C15 Indy Hauler 1978-1978 GMC C15 Street Coupe $54.25
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OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1975-1975 GMC C15 Sierra Grande 1975-1975 GMC C15 Sierra Classic 1975-1975 GMC C15 High Sierra 1975-1975 GMC C15 Base 1977-1978 GMC C15 Sierra Grande 1977-1978 GMC C15 Sierra Classic 1977-1977 GMC C15 Indy Hauler 1977-1978 GMC C15 High Sierra 1977-1978 GMC C15 Heavy Half 1977-1978 GMC C15 Base 1978-1978 GMC C15 Street Coupe $54.25
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GMC C15 SuburbanView all GMC C15 Suburban Spark Plugs |
OUT OF STOCK 7516NGK Iridium IX Spark Plug Box of 4 (YR5IX) 1975-1978 GMC C15 Suburban Base 1975-1978 GMC C15 Suburban High Sierra 1975-1978 GMC C15 Suburban Sierra Classic 1975-1978 GMC C15 Suburban Sierra Grande $54.25
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OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1975-1975 GMC C15 Suburban Sierra Grande 1975-1975 GMC C15 Suburban Sierra Classic 1975-1975 GMC C15 Suburban High Sierra 1975-1975 GMC C15 Suburban Base 1977-1978 GMC C15 Suburban Sierra Grande 1977-1978 GMC C15 Suburban Sierra Classic 1977-1978 GMC C15 Suburban High Sierra 1977-1978 GMC C15 Suburban Base $54.25
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GMC C15/C1500 PickupView all GMC C15/C1500 Pickup Spark Plugs |
$54.25
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$54.25
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$54.25
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GMC C15/C1500 SuburbanView all GMC C15/C1500 Suburban Spark Plugs |
$54.25
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$54.25
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$54.25
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GMC C1500View all GMC C1500 Spark Plugs |
OUT OF STOCK 7516NGK Iridium IX Spark Plug Box of 4 (YR5IX) 1979-1983 GMC C1500 Base 1979-1980 GMC C1500 Heavy Half 1979-1983 GMC C1500 High Sierra 1979-1983 GMC C1500 Sierra Classic 1979-1982 GMC C1500 Sierra Grande 1979-1982 GMC C1500 Street Coupe 1985-1986 GMC C1500 Base 1985-1986 GMC C1500 High Sierra 1985-1986 GMC C1500 Sierra Classic $54.25
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GMC C1500 SuburbanView all GMC C1500 Suburban Spark Plugs |
OUT OF STOCK 7516NGK Iridium IX Spark Plug Box of 4 (YR5IX) 1979-1983 GMC C1500 Suburban Base 1979-1983 GMC C1500 Suburban High Sierra 1979-1983 GMC C1500 Suburban Sierra Classic 1979-1982 GMC C1500 Suburban Sierra Grande 1985-1986 GMC C1500 Suburban Base 1985-1986 GMC C1500 Suburban High Sierra 1985-1986 GMC C1500 Suburban Sierra Classic $54.25
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GMC C25View all GMC C25 Spark Plugs |
OUT OF STOCK 7516NGK Iridium IX Spark Plug Box of 4 (YR5IX) 1975-1978 GMC C25 Base 1975-1978 GMC C25 High Sierra 1975-1978 GMC C25 Sierra Classic 1975-1978 GMC C25 Sierra Grande $54.25
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OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1975-1975 GMC C25 Sierra Grande 1975-1975 GMC C25 Sierra Classic 1975-1975 GMC C25 High Sierra 1975-1975 GMC C25 Base 1977-1978 GMC C25 Sierra Grande 1977-1978 GMC C25 Sierra Classic 1977-1978 GMC C25 High Sierra 1977-1978 GMC C25 Base $54.25
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GMC C25 SuburbanView all GMC C25 Suburban Spark Plugs |
OUT OF STOCK 7516NGK Iridium IX Spark Plug Box of 4 (YR5IX) 1975-1978 GMC C25 Suburban Base 1975-1978 GMC C25 Suburban High Sierra 1975-1978 GMC C25 Suburban Sierra Classic 1975-1978 GMC C25 Suburban Sierra Grande $54.25
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OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1975-1975 GMC C25 Suburban Sierra Grande 1975-1975 GMC C25 Suburban Sierra Classic 1975-1975 GMC C25 Suburban High Sierra 1975-1975 GMC C25 Suburban Base 1977-1978 GMC C25 Suburban Sierra Grande 1977-1978 GMC C25 Suburban Sierra Classic 1977-1978 GMC C25 Suburban High Sierra 1977-1978 GMC C25 Suburban Base $54.25
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GMC C25/C2500 PickupView all GMC C25/C2500 Pickup Spark Plugs |
$54.25
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$54.25
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$54.25
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GMC C25/C2500 SuburbanView all GMC C25/C2500 Suburban Spark Plugs |
$54.25
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$54.25
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$54.25
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GMC C2500View all GMC C2500 Spark Plugs |
OUT OF STOCK 7516NGK Iridium IX Spark Plug Box of 4 (YR5IX) 1979-1986 GMC C2500 Base 1979-1986 GMC C2500 High Sierra $54.25
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GMC C35View all GMC C35 Spark Plugs |
OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1975-1975 GMC C35 Sierra Grande 1975-1975 GMC C35 Sierra Classic 1975-1975 GMC C35 High Sierra 1975-1975 GMC C35 Base 1977-1978 GMC C35 Sierra Grande 1977-1978 GMC C35 Sierra Classic 1977-1978 GMC C35 High Sierra 1977-1978 GMC C35 Base $54.25
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GMC C35/C3500 PickupView all GMC C35/C3500 Pickup Spark Plugs |
$54.25
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$54.25
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GMC CaballeroView all GMC Caballero Spark Plugs |
OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1978-1978 GMC Caballero Laredo 1978-1978 GMC Caballero Diablo 1978-1978 GMC Caballero Base $54.25
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GMC CanyonView all GMC Canyon Spark Plugs |
IN STOCK - LOW 6509NGK Iridium IX Spark Plug Box of 4 (LTR6IX-11) 2015-2016 GMC Canyon SLT 2015-2016 GMC Canyon SLE 2015-2016 GMC Canyon Base $54.25
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GMC G15View all GMC G15 Spark Plugs |
OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1975-1975 GMC G15 Vandura 1975-1975 GMC G15 Rally STX 1975-1975 GMC G15 Rally 1977-1978 GMC G15 Vandura 1977-1978 GMC G15 Rally STX 1977-1978 GMC G15 Rally $54.25
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GMC G15/G1500 VanView all GMC G15/G1500 Van Spark Plugs |
OUT OF STOCK 7355NGK Iridium IX Spark Plug Box of 4 (XR5IX) 1968-1968 GMC G15/G1500 Van Rally 1968-1968 GMC G15/G1500 Van Vandura $54.25
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OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1974-1974 GMC G15/G1500 Van Vandura 1974-1974 GMC G15/G1500 Van Rally $54.25
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GMC G25View all GMC G25 Spark Plugs |
OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1975-1975 GMC G25 Vandura 1975-1975 GMC G25 Rally STX 1975-1975 GMC G25 Rally 1977-1978 GMC G25 Vandura 1977-1978 GMC G25 Rally STX 1977-1978 GMC G25 Rally $54.25
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GMC G25/G2500 VanView all GMC G25/G2500 Van Spark Plugs |
OUT OF STOCK 7355NGK Iridium IX Spark Plug Box of 4 (XR5IX) 1968-1968 GMC G25/G2500 Van Rally 1968-1968 GMC G25/G2500 Van Vandura $54.25
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OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1974-1974 GMC G25/G2500 Van Vandura 1974-1974 GMC G25/G2500 Van Rally $54.25
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GMC G35View all GMC G35 Spark Plugs |
OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1975-1975 GMC G35 Magnavan 1977-1978 GMC G35 Vandura Special 1977-1978 GMC G35 Vandura 1977-1978 GMC G35 Rally STX 1977-1978 GMC G35 Rally Camper Special 1977-1978 GMC G35 Rally 1977-1978 GMC G35 Magnavan $54.25
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GMC G35/G3500 VanView all GMC G35/G3500 Van Spark Plugs |
OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1974-1974 GMC G35/G3500 Van Vandura 1974-1974 GMC G35/G3500 Van Rally 1974-1974 GMC G35/G3500 Van Base $54.25
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GMC JimmyView all GMC Jimmy Spark Plugs |
OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1975-1975 GMC Jimmy Sierra Grande 1975-1975 GMC Jimmy Sierra Classic 1975-1975 GMC Jimmy High Sierra 1975-1975 GMC Jimmy Base 1977-1978 GMC Jimmy Sierra Grande 1977-1978 GMC Jimmy Sierra Classic 1977-1978 GMC Jimmy High Sierra 1977-1978 GMC Jimmy Base 1978-1978 GMC Jimmy Street Coupe $54.25
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GMC K15View all GMC K15 Spark Plugs |
OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1975-1975 GMC K15 High Sierra 1975-1975 GMC K15 Base 1975-1975 GMC K15 Sierra Classic 1975-1975 GMC K15 Sierra Grande 1977-1978 GMC K15 Base 1977-1978 GMC K15 High Sierra 1977-1977 GMC K15 Indy Hauler 1977-1978 GMC K15 Sierra Classic 1977-1978 GMC K15 Sierra Grande $54.25
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GMC K15 SuburbanView all GMC K15 Suburban Spark Plugs |
OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1975-1975 GMC K15 Suburban Base 1975-1975 GMC K15 Suburban High Sierra 1975-1975 GMC K15 Suburban Sierra Classic 1975-1975 GMC K15 Suburban Sierra Grande 1977-1977 GMC K15 Suburban Base 1977-1977 GMC K15 Suburban High Sierra 1977-1977 GMC K15 Suburban Sierra Classic 1977-1977 GMC K15 Suburban Sierra Grande $54.25
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GMC K15/K1500 PickupView all GMC K15/K1500 Pickup Spark Plugs |
$54.25
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$54.25
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GMC K15/K1500 SuburbanView all GMC K15/K1500 Suburban Spark Plugs |
$54.25
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$54.25
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GMC K25View all GMC K25 Spark Plugs |
OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1975-1975 GMC K25 Base 1975-1975 GMC K25 High Sierra 1975-1975 GMC K25 Sierra Classic 1975-1975 GMC K25 Sierra Grande 1977-1978 GMC K25 Base 1977-1978 GMC K25 High Sierra 1977-1978 GMC K25 Sierra Classic 1977-1978 GMC K25 Sierra Grande $54.25
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GMC K25 SuburbanView all GMC K25 Suburban Spark Plugs |
OUT OF STOCK 7588NGK Iridium IX Spark Plug Box of 4 (YR55IX) 1975-1975 GMC K25 Suburban Base 1975-1975 GMC K25 Suburban High Sierra 1975-1975 GMC K25 Suburban Sierra Classic 1975-1975 GMC K25 Suburban Sierra Grande 1977-1978 GMC K25 Suburban Base 1977-1978 GMC K25 Suburban High Sierra 1977-1978 GMC K25 Suburban Sierra Classic 1977-1978 GMC K25 Suburban Sierra Grande $54.25
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GMC K25/K2500 PickupView all GMC K25/K2500 Pickup Spark Plugs |
$54.25
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$54.25
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GMC K25/K2500 SuburbanView all GMC K25/K2500 Suburban Spark Plugs |
$54.25
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Looking to upgrade your GMC with a spark plug from NGK? We carry a great variety of NGK Iridium IX and other ignition performance parts for your GMC.
We have 7 NGK Iridium IX available for GMC models with free shipping to the Continental US 48 States.