GM Genuine Parts GM Genuine Parts Engine Heaters are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These engine heaters are responsible for pre-heating the engine block and fluids before the vehicle is started.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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• Pre-heats the engine block and fluids
• Helps protect the engine from damage caused by idling and cold starts
• Helps fluids reach a safe operating temperature
• Helps warm air circulate through the vehicle interior
• 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