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ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors

Available for use in Marine applications

Black Onyx coating helps reduce corrosion

Copper core provides great heat transfer and helps maximize plug durability

GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

Ribbed suppressor seal extends resistance and helps prevent spark 'flash over' and misfires

Nickel-chrome alloy sheathing helps prevent corrosion on center electrode

Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional