Product Description: Upgraded Material: Thermostat housing assembly use of aluminum material, greatly improving quality and long service life, more durable than the previous plastic material, wear resistance, corrosion resistance, high temperature resistance Replace Thermostat Housing Assembly: Adjust the coolant flow through the radiator to maintain the engine at its stable operating temperature and prevent overheating. Appropriate temperature control can improve fuel efficiency, so as to help owners save fuel costs Same as the Original: .