The ACDelco 131-151 GM Original Equipment Engine Coolant Thermostat is a replacement engine coolant thermostat from ACDelco. Key details: 198°F opening temperature; Without jiggle pin weep hole; Includes gasket.
Listed applications include 1999-2013 Chevrolet Silverado 1500. Fitment can vary by engine, trim and drivetrain, so confirm this part number against your vehicle before ordering.
Manufacturer: ACDelco. Manufacturer part number: 131-151.






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