OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives
Updated May 28 2026
P/N 39380
replaces 394546
2 Cyl., 2 stroke
9.9 hp – 15 hp
1974 – 1992
OEM 394546after market (Athena)power head kit
P/N 39420
433941
2 Cyl. 20 – 35 hp
20, 25, 28 and 30 hp 1979 up35 hp 1979 – 1986
OEM 433941after market (Recmar)power head kit
P/N 39370
439083
2 Cyl. 40 – 60 hp 1980 up
40, 45, 48, 55 hp 1980 up50 hp 1971 – 197555 hp 1976 – 197950 hp 198055, 60 hp 1980 – 198555 hp 199460 hp 1980 – 1985
P/N 39390
replaces 438904
3 cyl. 50 – 70 hp 1995 up
50 hp 199560 hp 1989 up65 hp 1987 up70 hp 1986 up
P/N 39350
390078.
3 cyl. 60 – 70 hp 1972 – 1986
60 hp 1986 – 198865 hp 1984 – 198670 hp 1974 – 1985
P/N 39080
439085
V4 cross flow 85 – 115 hp 1979 up
85, 88, 90, 110, 115 hp 1979 up110, 115, 140 hp 1978 – 1984
P/N 39360
Replaces 388602
V4 cross flow 85 – 140 hp 1973 – 1977
85 hp 1973 – 1977115, 135, 140 hp 1973 – 1977.
Note head gasket P/N 33540 is required
P/N 39400
Replaces 432570
V4 cross flow 120 – 140 hp 1988 – 1995
120, 140 hp 1988 – 1994130 hp 1995
P/N 39090
391988
V6 Crossflow All (Except 175-235 HP 1980 – 1991) (1978 – 1991)
150 hp 1978 – 1991155 hp 1986 – 1991175 hp 1977 – 1985185 hp 1984 – 1985200 hp 1976 – 1983235 hp 1978 – 1979
P/N 39351 Johnson V4 loop charged
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