MerCruiser 1623-4110 Pre-Alpha One Empty Lower Unit Gearcase Housing 1970-1982 Pulley - Water Pump Steering Pin tube: 16-25674

Steering Pin tube: 16-25674

Equivalent Aftermarket -- Sierra 18-5775 & CDI 114-7778

330 GM 454 V-8 1982-1987 6083145 THRU 0B816540

D4JE-8501-BA

Mercury KF5 Super 5 Five 5hp

MerCruiser 1623-4110 Pre-Alpha One Empty Lower Unit Gearcase Housing 1970-1982 Pulley - Water Pump Steering Pin tube: 16-25674Part Numbers Included Stamped Part number is 1623 4110 which is just the slightly older version of 1623 5412 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. Races are still installed in this. It is advisable to replace the races if you are installing new bearings. Freshwater Used Part Original Paint (Missing in some spots)