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The newer style of pump that these were found on will have the circuit breaker attached to the reservoir
Also Included is upper driveshaft assembly 45-55797
42764 Oil Fill Cap
5L 4cyl 120hp
but I would guess 1974-1977 302 5
MerCruiser 1623-5412 Pre-Alpha One Empty Lower Unit Gearcase Housing 1970-1982 Complete Upper & Lower Gearcases The newer style of pumpPart 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
US$ 38.34
US$ 38.34