MerCruiser 9412A18 1547-9105 Alpha One Gen 1 Upper Unit Gearcase Housing Empty Wiring Harness GJG4002m 3N

GJG4002m 3N

If you're unsure

315838 / 0315838 Water Tube Bracket

Volvo Penta AQ Sterndrive Gearcase Transmission

Cotter Pin 310595 / 0310595

MerCruiser 9412A18 1547-9105 Alpha One Gen 1 Upper Unit Gearcase Housing Empty Wiring Harness GJG4002m 3NItem Description Basically the Upper drive housings are the same no matter what drive engine sterndrive you have from that period of 1983 1990 (I 4, I 6, V8 120hp, 140hp 165hp, 2. 5L, 3. 0L 4. 3L V6 4cyl, 4. 1L 3. 7L 170, 470, 898, 305, 350, etc..) There was a different style of housing from 1983 86ish maybe that was the same internally, but it didn't have the rectangular splash plate. More or less covered in my infographic in the pictures section.