MerCruiser 46421A2 140hp 3.0L Valve Cover Rocker GM 120hp 2.5L 4cyl 1964-1972 Exhaust Boots 1977 1978 1979 1980 1981

1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001   70hp 75hp 75742S 75743S 75ELR77S 75ER77S 70773S 70EL77S Electric Start

Please ask if you have any other questions about these parts or are unsure if this will work for you

just check the stamping

305206 / 0305206 Outboard Head Gasket Found on 35hp outboards 1958 & 1959

1989: All Models

MerCruiser 46421A2 140hp 3.0L Valve Cover Rocker GM 120hp 2.5L 4cyl 1964-1972 Exhaust Boots 1977 1978 1979 1980 1981Part Number(s) Included MerCruiser 46421A2 46421 (Stamped) Valve Rover Cover (Aluminum) Superseded Equivalent Possibly Related P N: 32732 46421A2 55429A3 (Location of oil breather changed on this model) General Application Compatibility This would have been found on MerCruiser 120hp 2. 5L 4cyl & MerCruiser 140hp 3. 0L 4cyl Models From the late 60's until probably 1969 that did not have the separate big hose for a carburetor flame arrestor vent tube.