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-250 Econoline Club Wagon: 1978, 1979, 1986, 1987, 1988, 1989, 1990, 1991] - [Ford E-250 Econoline: 1978, 1979] - [Ford E-350 Econoline Club Wagon: 1978, 1979, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994] - [Ford E-350 Econoline: 1978, 1979, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994] - [Ford F Super Duty: 1990, 1991, 1992, 1993, 1994] - [Ford F-150: 1978, 1979] - [Ford F-250: 1978, 1979, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994] - [Ford F-350: 1978, 1979, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994] - [Ford F53: 1988, 1989, 1990, 1991, 1992, 1993, 1994]