PN#131-71  SKU#21482  ACDelco GM Original Equipment 131-71 Engine Coolant Thermostat. ACDelco GM Original Equipment Engine Coolant Thermostat is a temperature controlled valve located in the engine coolant outlet to, or the inlet from, the radiator, and is a GM-recommended replacement for your vehicles original component. It controls the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature.

Jiggle Pin Weep Hole: No. Length (in): 3.06. Opening Temperature (Deg. F): 195. Overall Height (in): 1.600. Overall Height (mm): 40.64.
Seal Type: Gasket. Start to Open Temperature (Deg. C): 90.5. Weight (lb): 0.12. Width (in): 2.03.

Chevrolet, Chevrolet, GMC, GMC, Pontiac. Controls the flow of coolant through your vehicle’s radiator to help the engine reach and maintain its optimal operating temperature. GM-recommended replacement part for your GM vehicle’s original factory component. Manufactured to GM OE specification for fit, form, and function. Offering the quality, reliability, and durability of GM OE.