This Hayden Drive Belt Idler Assembly fits your 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 Mercury Comet Cougar Grand Marquis Marquis Monarch Montego Zephyr 4.2L 5.0L 5.8L 6.6L 7.5L V8 and is perfect for a tune up or performance upgrade. .
