Motorcraft Thermostat is designed to control the flow of coolant between the cylinder and radiator within the engine. It is manufactured from stainless steel or brass bridge for strength and durability. This thermostat has a heat motor in high-strength brass housing and a polished finish. It has a streamlined nozzle for maximum coolant flow and the stainless steel springs offer precise operating compression. This thermostat is efficient in performance and facilitates hassle free installation as well as is backed by a 12 month warranty.