MerCruiser MR Alpha One 1 Lower Unit 818763A10 73020-C1 Bearing Carrier Gen II Heads the exhaust port on the

the exhaust port on the Cobra gimbal housings had changed

8L (Cobra) -- 1989-1993

1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998

175hp 200hp

Male connectors on both ends

MerCruiser MR Alpha One 1 Lower Unit 818763A10 73020-C1 Bearing Carrier Gen II Heads the exhaust port on theItem Details MerCruiser Sterndrive Alpha One Lower Unit Bearing Carrier Used in MerCruiser R MR & Gen I (1983 1990) & also Gen II lower units 1991 & Up However, You just need to inspect the casting number to see if the one you are replacing is the right one. This type was the later type used mostly newer stuff using tab washer 14 18323 on Gen I & Gen II Standard Rotation lower units. This will only replace bearing carriers with either 818763C1