GM Genuine Parts Engine Coolant Thermostat/Water Inlet Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These assemblies help secure the thermostat that monitors the flow of coolant through your vehicle's engine and radiator, and are GM-recommended replacements for your vehicle's original components. 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 retain the thermostat to monitor the flow of coolant through your vehicle's engine and radiator
• 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