Original equipment thermostat housing assemblies often fail due to weak plastic construction. This Dorman OE FIX replacement upgrades the housing to metal to prevent warping and future failures. Product Features:Upgraded replacement - this integrated coolant thermostat housing assembly is made of metal to increase durabilityFailure-resistant design - reengineered to prevent cracks and leaking that occur in the factory designComplete repair - comes with thermostat housing, sensor, thermostat, gasket and O-ringQuality engineering - designed in the United States and backed by decades of automotive aftermarket experience