Masthead Powertrain Engines

Original equipment transmissions & transfer cases you can trust

Tested to meet or exceed GM OE specifications, only Genuine GM Parts offers transmissions and transfer cases designed specifically to fit your exact Chevrolet, Buick, GMC, or Cadillac vehicle.

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Whether new or remanufactured, all powertrain parts are tested under the most stringent and demanding conditions to ensure the highest reliability and quality.