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. Vehicle model years this part fits (be sure to check your vehicle trim using the Amazon garage) - [Ford Country Sedan: 1965, 1966, 1967, 1968] - [Ford Country Squire: 1965, 1966] - [Ford Custom 500: 1965, 1966, 1967, 1968] - [Ford Custom: 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972] - [Ford E-100 Econoline Club Wagon: 1975, 1976, 1977, 1978, 1979] - [Ford E-100 Econoline: 1972, 1974, 1975, 1976, 1977, 1978, 1979] - [Ford E-200 Econoline: 1972, 1974] - [Ford E-250 Econoline Club Wagon: 1977, 1978, 1979] - [Ford E-250 Econoline: 1975, 1976, 1977, 1978, 1979] - [Ford E-300 Econoline: 1972, 1974] - [Ford E-350 Econoline Club Wagon: 1977, 1978, 1979] - [Ford E-350 Econoline: 1975, 1976, 1977, 1978, 1979] - [Ford Econoline: 1967] - [Ford F-100: 1975, 1976, 1977, 1978] - [Ford F-150: 1975, 1976, 1977, 1978] - [Ford F-250: 1975, 1976, 1977, 1978] - [Ford F-350: 1975, 1976, 1977, 1978] - [Ford Galaxie 500: 1965, 1966, 1967, 1968, 1969, 1970] - [Ford Ranch Wagon: 1965, 1966, 1969]