Dorman's Driveshaft Pinion Yoke includes a high-quality seal constructed from a combination of rubber, metal and plastic. The seal prevents lubricant from leaking and protects your vehicle against costly repairs. Vehicle model years this part fits: Ford Bronco: 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986 Ford F-150: 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987 Ford Falcon: 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970 Ford Mustang: 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973 Mercury Comet: 1964, 1965, 1966, 1967, 1968, 1969, 1971, 1972, 1973, 1974, 1975, 1976, 1977 Mercury Cougar: 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979