Autolite Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 605
In stock
$4.49
Listed as compatible with this vehicle by the retailer feed.
Check price2006 Cadillac STS Spark Plugs
26 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Motorcraft Spark Plug: Reliable Ignition with Nickel Electrode Design, SP-446-AX
In stock
$4.79
Listed as compatible with this vehicle by the retailer feed.
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Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 103
In stock
$4.79
Listed as compatible with this vehicle by the retailer feed.
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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 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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Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP605
In stock
$7.49
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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Motorcraft Spark Plug: Fine Wire Design for Enhanced Ignition Efficiency, SP-486-X
In stock
$7.99
Listed as compatible with this vehicle by the retailer feed.
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E3 DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency, E3.53
In stock
$8.49
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, 41-810
In stock
$11.49
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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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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Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP605
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, 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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DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, ITV16, 5338
In stock
$14.49
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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Autolite Platinum Spark Plug (AP605): Enhanced Durability & Performance
Out of stock
$5.49
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.