MerCruiser 1547-5523A18 Pre-Alpha One Upper unit gearcase housing Sterndrive Blowers & Vents 225 & 250 EFI

225 & 250 EFI

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

please ensure yours has the stud on the front of the camshaft

7L 898 454 7

MerCruiser 1547-5523A18 Pre-Alpha One Upper unit gearcase housing Sterndrive Blowers & Vents 225 & 250 EFIItem Description This particular unit has stickers for a Pre Alpha One 888 Ford 302 5. 0L V8 gearcase, but the housings are the same no matter what drive engine you have from that period of 1970 1982 (I 4, I 6, V8 120hp, 140hp 165hp, 2. 5L, 3. 0L 4cyl, 4. 1L 3. 7L 170, 470, 898, 305, 350, etc..) The housing is in good condition. The shape of your case should look just like this. Stamped Part Number is 1547 5523 (sometimes 1547 3917 or 1547 5523 S or