MerCruiser 470 488 165hp 170hp 3.7L 4cyl Oil Pump Pickup Tube 32-72877A1 1976-89 steering wheel and a linkage

and a linkage

0313636 / 313636 Plunger

Part Number 550430 Stamped on housing

but I think either snowmobiles or outboards

MerCruiser 470 488 165hp 170hp 3.7L 4cyl Oil Pump Pickup Tube 32-72877A1 1976-89 steering wheel and a linkageItem Details Removed from a 1976 1978 MerCruiser 470 S N 5064860 Overall Good Condition Parts Included Oil Pick Up Tube Assembly 32 72877A1 Compatibility For the most part it seems these parts were used from 1976 1989 on pretty much all of the 470 models. 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 Alpha One 470 4 cyl 165hp 170hp 180hp 190hp 3. 7L 3. 7LX 224CID 488 485 Sterndrive