MerCruiser 423-3816 Crankshaft 3.0L 181cid 140hp 4cyl N9341352 1972-1989 OMC Steering Helm Parts This was used on 1987

This was used on 1987

2L MPI (s/n 0M340000 and up)

0385512 (Transom clamp tilt pin)

Excellent Shape

1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993

MerCruiser 423-3816 Crankshaft 3.0L 181cid 140hp 4cyl N9341352 1972-1989 OMC Steering Helm Parts This was used on 1987Item Details Used from 1972 1989 on virtually all OMC & Mercruiser 3. 0L 140hp power plants. (both companies used the same GM blocks, but OMC used bolts rather than studs at the end of the crankshaft to hold the couplers on) This is for engines with a 2 piece rear main seal. which is what they used before 1990 MerCruiser Part Number 423 3816 GM part # N9341352 9341352 (Stamped Cast) Equivalent GM Part numbers (Other common Stamps N9341352 9341352