Features:Upgraded material, the integrated coolant thermostat housing assembly is made of aluminum alloy to increase durability and long service lifeAutomatically adjust the water yield flowing into the radiator according to the temperature of the cooling water, so as to ensure that the engine works within the appropriate temperature range.Good components and design provide long lasting, reliable side support.Direct replace the old or broken thermostat housing assembly, no need to make any changes.This is vehicle specific product, please make sure your car model before ordering.Please allow 3-5mm differences due to manual measurement.