GM Genuine Parts Engine Crankshaft Pulleys are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These pulleys attach to, and are driven by, the front of the engine crankshaft. They connect to various engine accessory drive components by a belt drive system and help ensure that components, such as the water pump, alternator, and power steering pump, receive power from the rotating crankshaft to perform their vital functions. Crankshaft pulleys also work as harmonic dampers to help decrease crankshaft torsional vibration. 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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• Provides power to the engine accessory drive system for proper engine performance
• 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