GM Genuine Parts Engine Cylinder Head Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets help seal in the internal combustion process and keeps coolant and oil separate as they travel from the engine block through the cylinder head. They are compressed between the cylinder head and engine block.GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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• Helps seal internal combustion process
• Helps keep coolant and oil seperate
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies