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    ACDelco 12551507 GM Original Equipment Engine Coolant Thermostat O-Ring


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    Warranty Information
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    • Product Details

      Part No. G4030204690ACD

      Warranty Details (1 YR REPLACEMENT IF DEFECTIVE)

      An ACDelco GM Original Equipment Engine Coolant Thermostat O-Ring is a GM-recommended replacement for your vehicle's original component. It seals the gap between the exterior of the thermostat housing and the exterior of the engine. This original equipment engine coolant thermostat O-Ring has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

      Product Features:

      • Seals the gap between the exterior of the thermostat housing and the exterior of the engine to help prevent leakage
      • GM-recommended replacement part for your GM vehicle's original factory component
      • Offering the quality, reliability, and durability of GM OE
      • Manufactured to GM OE specification for fit, form, and function

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