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 Country Squire: 1969, 1970, 1971, 1972, 1973, 1974] - [Ford Custom 500: 1973, 1974, 1975, 1976] - [Ford Custom: 1969, 1970, 1971, 1972] - [Ford E-250 Econoline Club Wagon: 1977] - [Ford E-250 Econoline: 1977] - [Ford E-350 Econoline Club Wagon: 1977] - [Ford E-350 Econoline: 1977] - [Ford Elite: 1975, 1976] - [Ford F-150: 1977] - [Ford F-250: 1977] - [Ford F-350: 1977] - [Ford Fairlane: 1970] - [Ford Falcon: 1970] - [Ford Galaxie 500: 1969, 1970, 1971, 1972, 1973, 1974] - [Ford Gran Torino: 1972, 1973, 1974, 1975, 1976] - [Ford LTD: 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978] - [Ford Mustang: 1969, 1970, 1971] - [Ford Ranch Wagon: 1969, 1970, 1971, 1972, 1973, 1974] - [Ford Ranchero: 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977] - [Ford Thunderbird: 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976] - [Ford Torino: 1970, 1971, 1972, 1973, 1974, 1975, 1976] - [Lincoln Continental: 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978] - [Lincoln Mark III: 1968, 1969, 1970, 1971] - [Lincoln Mark IV: 1972, 1973, 1974, 1975, 1976] - [Lincoln Mark V: 1977, 1978] - [Mercury Colony Park: 1969, 1970, 1971, 1972, 1973, 1974] - [Mercury Cougar: 1970, 1971, 1973, 1974, 1975, 1976] - [Mercury Cyclone: 1970, 1971] - [Mercury Grand Marquis: 1975, 1976, 1977, 1978] - [Mercury Marauder: 1969, 1970] - [Mercury Marquis: 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978] - [Mercury Montego: 1970, 1971, 1972, 1973, 1974, 1975, 1976] - [Mercury Monterey: 1969, 1970, 1971, 1972, 1973, 1974]