Mercruiser outdrive parts | Alpha one lower unit repairs

Mercruiser Alpha 1 Parts Drawings

Upper and lower gear case drawings (1967 - 1983) Alpha One Gen 1 (1984 - 1990) and Gen 2 (1991 - up) exploded views Links to a complete list of components with photos and OEM numbers Bell housing and gimbal housing breakdowns

Click Photo for Components	Lower Units
Mercruiser Parts Lower Gearcase	Mercruiser lower unit, including Gen 1 models 1970 - 1990 models, serial numbers 2791957 - 0D469858
Alpha One Gen 2 Lower Unit	Generation 2 lower unit components 1991 - up models, serial numbers 0D469859 - up
Click Photo for Parts	Upper Gear Cases
Upper Gearcase	Upper gear case For MC-1, R, MR and Generation 1 1970 - 1990 models, serial numbers 2791957 - 0D469858
Gen 2 Upper Unit	Gen 2 Upper housing 1991 - Present models, serial numbers 0D469859 - up
Click Photo for Larger View	Bell Housing / Gimbal Housing
Bell Housing Layout	Bell housing 1970 - 1990 models, serial numbers 2791957 - 0D469858
Gen 2 Transom	Bell housing for Gen 2 1991 - present models, serial numbers 0D469859 and up

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