MerCruiser 423-3816 Crankshaft 3.0L 181cid 140hp 4cyl N9341352 1972-1989 OMC Bolt Set Please inspect pictures to get

Please inspect pictures to get best idea of condition

Came off a Mercury 1967-1968 3

Fuel Pump base 24757

315930 / 0315931 Cylinder Lift Ring

(228 MIE (4 BBL

MerCruiser 423-3816 Crankshaft 3.0L 181cid 140hp 4cyl N9341352 1972-1989 OMC Bolt Set Please inspect pictures to getItem 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