The success of the Motorcraft brand has been marked by a long list of major product contributions to the automotive, aviation, aerospace and transportation industries for nearly a century. With brakes on cars, buses, trucks, trailers, airplanes, golf carts, farm and construction equipment - and even bicycles, Motorcraft is one of the best-known names in the transportation industry.
The Engine Coolant Thermostat blocks the flow of coolant to the radiator until the engine has warmed up.
A bad Engine Coolant Thermostat can cause the engine to overheat if stuck shut; or if stuck open the engine will not warm to normal operating temperature and the interior heater will not blow warm air.