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Genuine Cadillac Spark Plug

Ignition Spark Plug

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We offer a full selection of genuine Cadillac Spark Plugs, engineered specifically to restore factory performance. Please narrow the Ignition Spark Plug results by selecting the vehicle.

51 Spark Plugs found

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About Cadillac Spark Plug

The spark plug is a critical component in a car's ignition system, creating the spark needed to ignite the fuel for combustion. It also serves an important secondary role as a heat dissipater, transferring heat to the car's cooling system. A Dirty, worn-out, or misfiring Cadillac spark plug will lower the car's fuel economy or even fail to start at all.
 
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This part contains hazardous material.

This part is a packaged part and contains multiple quantities of: (Pack Qty: 4)

This part is a packaged part and contains multiple quantities of the same item. In an effort to simplify packaging GM will sometimes include multiple parts in a package.