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 Econoline Club Wagon: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001] - [Ford E-350 Econoline: 1994, 1995, 1996, 1997, 1998] - [Ford E-350 Super Duty: 1999, 2000, 2001, 2002, 2003] - [Ford E-450 Econoline Super Duty Stripped: 2000, 2001] - [Ford E-450 Econoline Super Duty: 1999, 2000, 2001] - [Ford Econoline Super Duty: 1996, 1997, 1998, 1999] - [Ford F Super Duty: 1994, 1995, 1996, 1997] - [Ford F-250 HD: 1997] - [Ford F-250: 1994, 1995, 1996] - [Ford F-350: 1994, 1995, 1996, 1997] - [Ford F59: 1994, 1995, 1996, 1997]