Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 103
In stock
$4.79
Listed as compatible with this vehicle by the retailer feed.
Check price2008 Cadillac STS Spark Plugs
18 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Champion Copper Plus Spark Plug RS9YC - Dependable Performance & Durability, 304
In stock
$4.79
Listed as compatible with this vehicle by the retailer feed.
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Autolite Platinum Spark Plug (AP103): Improved Performance & Durability
In stock
$5.49
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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Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP103
In stock
$7.49
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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ACDelco Double Platinum Spark Plug, 41-990
In stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
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ACDelco Double Platinum Spark Plug, 41-950
In stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
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ACDelco Double Platinum Spark Plug, 41-987
In stock
$11.49
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, XP103
In stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
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DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PT16EPR13, 5092
In stock
$11.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PT16VR13, 5068
In stock
$11.99
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, ITV16TT, 4718
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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Motorcraft High-Performance Spark Plug: Enhances Fuel Efficiency, SP-541-AX
In stock
$15.99
Listed as compatible with this vehicle by the retailer feed.
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NGK Iridium IX Spark Plug (TR7IX): Extreme Ignitability & Durability, 3690
In stock
$16.99
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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Motorcraft Iridium Spark Plug: Enhances Durability & Reduces Fuel Consumption, SP-541-A
Out of stock
$13.49
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.