Thermostat Housing Plug Fit For Chevrolet Spark M300 1.2L 2013-2015 Engine Coolant Thermostat Assembly

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Fit For Chevrolet Spark M300 1.2L 2013-2015 Engine Coolant Thermostat Assembly. Thermostat housing pump outlets are made of durable plastic that resist abrasion and can maintain performance for a long time. Car Thermostat: Maintains optimal cooling system performance. When the coolant temperature is below the set value, the thermostat keeps the main valve closed, blocking flow to the radiator and forcing a "small loop" circulation (through the engine only) to rapidly raise the engine temperature.