MerCruiser Alpha One Lower Unit Counter Rotation Gearcase 3.0L 4.1L 5.0L 5.7L Gen I 1983-1990 OMC Propellers 0L EFI 1998-2001

0L EFI 1998-2001

Item Details Found on OMC Stringer & Cobra 2

Please inspect pictures closely to ensure satisfaction and if you have any questions at all

but please inspect pictures to ensure satisfaction

Part #'s Included Fuel Tank: 378167 377629

MerCruiser Alpha One Lower Unit Counter Rotation Gearcase 3.0L 4.1L 5.0L 5.7L Gen I 1983-1990 OMC Propellers 0L EFI 1998-2001Item Details This is a counter rotating unit. Usually only found on boats with twin engines. Impeller will need to be inspected. Will come with an impeller kit. Compatible with all upper alpha one Units (MC 1 R MR Gen 1) from 1970 1990 (the case style is 1983 1990) Regardless of engine (120hp 2. 5L 140hp 3. 0L 165hp 170hp 305 350 470 2. 5L 3. 0L 4. 3L V6 5. 0L 305 5. 7L 350 V8 etc) Shifts and functions as it should. All shafts are pretty clean and not