MerCruiser 9412A18 1547-9105 Alpha One Gen 1 Upper Unit Gearcase Housing Empty 75hp Outdrive SternDrive Lower Unit Sea

Outdrive SternDrive Lower Unit Sea Ray Sea Sprite Ebbtide galaxy OMC Stern Drive 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977

(This is an earlier variant that does not have a stamped number and a smaller diameter flat face

The Part Number of Cylinder Head Cover is F691995

but may have a different paint color (Silver

1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994

MerCruiser 9412A18 1547-9105 Alpha One Gen 1 Upper Unit Gearcase Housing Empty 75hp Outdrive SternDrive Lower Unit SeaItem Description Basically the Upper drive housings are the same no matter what drive engine sterndrive you have from that period of 1983 1990 (I 4, I 6, V8 120hp, 140hp 165hp, 2. 5L, 3. 0L 4. 3L V6 4cyl, 4. 1L 3. 7L 170, 470, 898, 305, 350, etc..) There was a different style of housing from 1983 86ish maybe that was the same internally, but it didn't have the rectangular splash plate. More or less covered in my infographic in the pictures section.