Engine Coolant Thermostat Housing. The Engine Coolant Thermostat Housing regulates coolant flow between the engine and the radiator by providing a precise mounting point for the thermostat. It helps maintain optimal engine temperature, preventing overheating or overcooling, thus safeguarding engine performance and longevity.

Construction and Appearance. Crafted from durable metal, this housing is designed to endure extreme temperature fluctuations without cracking or leaking. It features a natural, unpainted finish with a 90-degree housing neck angle and includes a gasket for secure sealing.

Installation. Installation is straightforward and requires no drilling, as it directly replaces the original housing. It mounts using two bolts through pre-existing holes with a 0.313-inch diameter.

Application. This thermostat housing is designed to fit the 2001, 2003, and 2004 Ford Mustang 4.6L engines, ensuring compatibility and reliable operation within these model years. It also fits various Ford, Lincoln, Mazda, and Mercury vehicles equipped with compatible 4.6L engines.

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