Description
This remanufactured GM 3.0L (181cid) marine engine fits most 1974 to 1989 applications with 2-piece rear main seal and standard rotation.
Oil pan, timing cover and valve cover is optional $$$
Additional core fee charges may apply : 700$
Flagship Marine 125 FMC; Hardin Marine 140; Marine Power 181; Mercury Marine 140; Mercury Marine 140LX; OMC 140; OMC 3.0; OMC 3.0GS
Other Details
Notes: 6 total intake manifold bolts, 2-piece rear main seal, Standard rotation
Details: This block is completely machined in our CNC machining center. It is align honed and torque plate honed. The block is assembled with brass frost plugs and is pressure tested.
Features
Block Type:
- Long Block
Brand:
Years:
- 1974
- 1975
- 1976
- 1977
- 1978
- 1979
- 1980
- 1981
- 1982
- 1983
- 1984
- 1985
- 1986
- 1987
- 1988
- 1989
Marine Manufacturers:
- Hardin Marine
- Marine Power
- MerCruiser
- Mercury Marine
- OMC (Outboard Marine Corp.)
Engine Type:
- L4
Engine code:
Liters:
- 3.0L
CID:
- 181
Short block features:
- Brass frost plugs
- Flat tappet marine camshaft
- HD timing set
- Hypereutectic pistons
- Moly piston rings
Block casting numbers:
- 087
- 460
Head casting numbers:
- 087
- 531
- 748
- 758
- 852
- 950
- 954