MerCruiser Alpha One Lower Unit Counter Rotation Gearcase 3.0L 4.1L 5.0L 5.7L Gen I 1983-1990 OMC Propellers Part #'s Included Fuel Tank:

Part #'s Included Fuel Tank: 378167 377629

60hp 85hp Force Models (and possibly others)

Item Details Complete Yoke to U-joint to Water Pump Shaft assembly 983880 / 0983880 (U-Joint & Water Pump Shaft) Used from 1986-1993 On ALL OMC COBRA Sterndrive models (2

MerCruiser 12381-1 / 12381F-1 Retainer

but please inspect pictures to ensure satisfaction

MerCruiser Alpha One Lower Unit Counter Rotation Gearcase 3.0L 4.1L 5.0L 5.7L Gen I 1983-1990 OMC Propellers Part #'s Included Fuel Tank:Item 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