MerCruiser 1623-5412 Pre-Alpha One Empty Lower Unit Gearcase Housing 1970-1982 18hp Cable Manufacturer: Quicksilver / Mercury

Cable Manufacturer: Quicksilver / Mercury Marine

Fuel Connector Fitting Check Unit:  73419

0L models dampers is that the 5

290440368 420440368 Hex Screw

(V4 with V6 Gearcases only) or V6 150hp

MerCruiser 1623-5412 Pre-Alpha One Empty Lower Unit Gearcase Housing 1970-1982 18hp Cable Manufacturer: Quicksilver / MercuryPart Numbers Included Stamped Part number is 1623 5412 which is just the slightly updated version of 1623 4110 General related part number found in manual is 1623 5356A4 (MC I & R empty housing) and also slightly related is 1623 4110A6 (Whole assembly) Item Details Overall good condition, some damage to the skeg, but ready for all of your internals. Races are still installed in this. It is advisable to replace the races if you are installing new