GM Genuine Parts Engine Valve Lifters are designed, engineered, and tested to rigorous standards, and are backed by General Motors. The valve lifter is the unit that makes contact with the push rod or valve stem and the camshaft. It rides on the camshaft. When the cam lobes push it upwards, it operates a rocker arm to open the valve. 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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• Controls the opening of the intake and exhaust valves
• Essential in providing the engine with air and fuel for combustion and removing exhaust from the combustion chamber
• 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