This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Ford E-350 Club Wagon: 2003, 2004] - [Ford E-350 Econoline Club Wagon: 1999, 2000, 2001, 2002] - [Ford E-350 Super Duty: 1999, 2000, 2001, 2002, 2003] - [Ford E-450 Econoline Super Duty Stripped: 2002] - [Ford E-450 Econoline Super Duty: 2002] - [Ford E-450 Super Duty Stripped Chassis: 2003] - [Ford E-450 Super Duty: 2003] - [Ford E-550 Econoline Super Duty: 2002] - [Ford E-550 Super Duty: 2003] - [Ford Excursion: 2000, 2001, 2002, 2003] - [Ford F-250 Super Duty: 1999, 2000, 2001, 2002, 2003] - [Ford F-350 Super Duty: 1999, 2000, 2001, 2002, 2003] - [Ford F-450 Super Duty: 1999, 2000, 2001, 2002, 2003] - [Ford F-550 Super Duty: 1999, 2000, 2001, 2002, 2003] - [Ford F650: 2000, 2001, 2002, 2003] - [Ford F750: 2000, 2001, 2002, 2003]