MerCruiser 470 488 165hp 170hp 3.7L 4cyl Oil Pump Pickup Tube 32-72877A1 1976-89 Distributor Ignition Parts Also Includes OMC 910440 /

Also Includes OMC 910440 / 0910440 / 3852507 as pictured

so I'm not sure if that had something to do with their casting of these when they were new

For Mercury Prestolite Trim Pumps (Square Reservoir) which is the standard trim pump found on most MerCruiser applications 1970-1982

68D-E1111-00-94 - Cylinder Head & Valve Assembly

Lever 307356 0307356

MerCruiser 470 488 165hp 170hp 3.7L 4cyl Oil Pump Pickup Tube 32-72877A1 1976-89 Distributor Ignition Parts Also Includes OMC 910440 /Item 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