Champion Copper Plus Spark Plug RS9YC - Dependable Performance & Durability, 304
In stock
$4.79
Listed as compatible with this vehicle by the retailer feed.
Check price2015 Cadillac CTS Spark Plugs
23 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Autolite Platinum Spark Plug: Improved Performance & Durability, AP5243
In stock
$5.49
Listed as compatible with this vehicle by the retailer feed.
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Champion Platinum Power Spark Plug RES8PYB5 - Powerful Performance & Longevity, 3017
In stock
$5.89
Listed as compatible with this vehicle by the retailer feed.
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Champion Platinum Power Spark Plug RS10PYC4 - Powerful Performance & Longevity, 3401
In stock
$5.89
Listed as compatible with this vehicle by the retailer feed.
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Champion Double Platinum Power Spark Plug RS9PYP4 - Enhanced Durability & Performance, 7304
In stock
$6.99
Listed as compatible with this vehicle by the retailer feed.
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ACDelco RAPIDFIRE Spark Plug, 8
In stock
$6.99
Listed as compatible with this vehicle by the retailer feed.
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NGK G-Power Spark Plug (LTR6GP): Enhanced Durability & Fuel Efficiency, 90198
In stock
$8.99
Listed as compatible with this vehicle by the retailer feed.
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NGK G-Power Spark Plug (TR6GP): Enhanced Durability & Fuel Efficiency, 5141
In stock
$8.99
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 Double Platinum Spark Plug, 41-810
In stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
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ACDelco Iridium Spark Plug, 41-147
In stock
$12.49
Listed as compatible with this vehicle by the retailer feed.
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DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, ITV22, 5340
In stock
$12.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IT20TT, 4714
In stock
$13.49
Listed as compatible with this vehicle by the retailer feed.
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ACDelco Iridium Spark Plug, 41-109
In stock
$13.49
Listed as compatible with this vehicle by the retailer feed.
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ACDelco Iridium Spark Plug, 41-104
In stock
$13.49
Listed as compatible with this vehicle by the retailer feed.
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NGK Laser Platinum Spark Plug (PLTR6A-10G): Enhanced Ignitability & Longevity, 3587
In stock
$13.99
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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DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT20, 5326
In stock
$14.49
Listed as compatible with this vehicle by the retailer feed.
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NGK Iridium IX Spark Plug (TR6IX): Extreme Ignitability & Durability, 3689
In stock
$16.99
Listed as compatible with this vehicle by the retailer feed.
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NGK Ruthenium HX Spark Plug (LTR7BHX): High Ignitability & Durability, 95605
In stock
$18.99
Listed as compatible with this vehicle by the retailer feed.
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NGK Laser Iridium Spark Plug (ILTR6E11): Fine Wire Tip for High Efficiency, 90117
In stock
$21.49
Listed as compatible with this vehicle by the retailer feed.
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Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP5243
Out of stock
$7.49
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, XP5243
Out of stock
$11.49
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.