MerCruiser alpha one exhaust Elbow J-Tube 53113A2 2.5L 3.0L 120hp 140hp 165hp Intake Manifolds 1964 1965 1966 1967 1968

1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989

This was used on 1989 Various 50hp   Force Models (and possibly others)

Crankshaft: 400-975

but it didn't have the little feet on the bottom or the cover around the actual flywheel & Coupler

***The easiest way to identify this type of gearcase is to count the number of splines on the driveshaft

MerCruiser alpha one exhaust Elbow J-Tube 53113A2 2.5L 3.0L 120hp 140hp 165hp Intake Manifolds 1964 1965 1966 1967 1968Item Details Excellent shape! Cleaned & Repainted Freshwater Used Part. This Does not include the shutter assembly (well, part of it is still there, but it should be replaced), but can be easily obtained on eBay, just search "45586." If you have any questions feel free to ask! Purchase with Confidence! Chevy GM 120HP 140HP 165HP 120hp 2. 5L 4cyl 181 I L4 1968 1972 140hp GM 181cid I L4 1972 1978 165hp 6cyl GM 250cid I L6 1970 1978 4. 1L 1968 1969 1970