Mercruiser alpha one lower unit. 65:1, but that isn't exact. Mar 5, 2026 · Lower Unit Gearcase Seal Kit for Mercruiser Alpha I Gen II 2 18-2646 26-816575A3 Up for Sale is Lower Unit Gear Housing Seal Kit for Mercruiser Sterndrive and Transom. ” 1988 Mercruiser Alpha 1 Gen 1 lower unit that was with a 3 liter engine setup. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Sterndrive, Outboard Lower Unit - Sterndrive Engineering (SEI) offers Sterndrives for Mercruiser's Alpha One and Gen II And Lower Units for Mercury, Yamaha, Johnson and Evinrude Outboard Motors. Units look very nice. Trim Tab Components. Feel free to message me if you have any questions! H MerCruiser Sterndrive Alpha One Gen 2 II Lower Unit Gear Case STD $475. Get the best deals for Mercruiser Alpha One Gen 1 Lower Unit at eBay. 00 + $40. “Have only unpacked the drives. qwa dgjzfb zglop wytk endjat tifq motrzov dkatv yyxjq nam