Excellent Solution. Immediate action should be taken to fix a cracked or warped thermostat housing that is leaking since doing nothing could result in the engine overheating. Replace your damaged housing with the Engine Coolant Thermostat Housing. This OEM-specific thermostat housing is a high-quality yet reasonably priced replacement for your old or broken thermostat housing.Built to Last. This thermostat housing's premium cast iron construction is guaranteed to resist the temperature changes under your hood, and it can also keep it from breaking or leaking. A seal is included with the purchase of this product to ensure that the housing will seal completely.Installation. This engine coolant thermostat housing is designed to match the form and function of your original housing to ensure a correct fit and easy installation using existing hardware.Warranty. This item comes with a limited lifetime warranty covering production and material defects.Application. The Engine Coolant Thermostat Housing suits any 1996-2004 4.6L Ford Mustang model.