Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP5863
In stock
$7.49
Listed as compatible with this vehicle by the retailer feed.
Check price2017 Cadillac CT6 Spark Plugs
8 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
ACDelco Iridium Spark Plug, 41-131
In stock
$9.89
Listed as compatible with this vehicle by the retailer feed.
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Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5863
In stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
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ACDelco Iridium Spark Plug, 41-130
In stock
$13.49
Listed as compatible with this vehicle by the retailer feed.
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ACDelco Iridium Spark Plug: Reliable Cold Starting & Smooth Performance, 41-125
In stock
$14.49
Listed as compatible with this vehicle by the retailer feed.
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NGK Laser Iridium Spark Plug (SILNAR8A7): High Ignitability & Durability, 92968
In stock
$17.99
Listed as compatible with this vehicle by the retailer feed.
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NGK Iridium IX Spark Plug (LNAR7AIX): Extreme Ignitability & Durability, 91768
In stock
$18.49
Listed as compatible with this vehicle by the retailer feed.
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NGK Laser Iridium Spark Plug (ILNAR7A9): Fine Wire Tip for Precision, 92176
In stock
$19.49
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.