Mercruiser outdrive parts *SEI lower unit *Alpha 1 repairs

Mercruiser parts *Alpha 1 *Alpha gen 2 *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 Alpha 1 lower unit parts drawing	Mercruiser lower unit, including Alpha one generation one 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 Gearcases
Upper Gearcase	Alpha 1 upper gear case For MC-1, R, MR and Generation 1 1970 - 1990 models, serial numbers 2791957 - 0D469858
Alpha One 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
Alpha 1 generation 2 bell housing layout	Bell housing for Generation 2 1991 - present models, serial numbers 0D469859 and up Alpha One Generation 2 Bell housing with transom service parts and install video.
Gen 2 Transom	Gimbal housing for Mercruiser, Alpha One and Alpha One gen 2 outdrives R, MR, Alpha 1 and Generation 2 outdrive Gimbal housing exploded view parts drawing P/N 85420 Oil Seal OEM 26-54925 P/N 85440 Oil Seal 26-32911 P/N 21906 Gimbal Bearing 30-879194A01 P/N 85910oil seal P/N 21790 clamp P/N 89080 Bellow 74639A2 P/N 21791 Clamp 54-31766 P/N 21970 Trim connector parts kit 98825A4 P/N 32500 Gasket P/N 05009 Lockwasher P/N 22440 Screw P/N 86712 Transom Seal (MC-1/R/MR/Alpha One) 65533A1 P/N 86711 Transom Seal Alpha One generation 2 OEM 243713 P/N 82460 Seal 41802 P/N 12700 Anode 5598909 P/N 30355 Gasket 12-56085 P/N 12713 Anode 82163101 P/N 85656 Seal 012077 P/N 33000 Gasket 44108-1 P/N 22147 Cotter Pin 18-54929 P/N 01071 Clamp P/N 47110 Water Hose 3/4" O.D. 32-41725-33 P/N47120 Water Hose 5/8"0.D. 32-32461 P/N 21164 Locknut 11-25599     P/N 12967 Plug 22-88847 P/N 16005 Plug Kit 22-88847A1 P/N 12713 Aluminum Anode Kit 821631Q1 P/N 21180 Locknut 11-826711-9
Exhaust manifolds and risers
Exhaust manifold kit 58232 GLM Marine aftermarket Mercruiser years 1983 to 2001 exhaust manifolds kit P/N 58231 / 58232 Complete Mercruiser GM V8 small block Chevy exhaust manifold set with 3 inch or 4 inch riser. GLM Marine aftermarket Mercruiser exhaust manifold parts: P/N 51230 V8 small block chevy cast iron exhaust manifold assembly / 860246Q11 x 2 P/N 51110 / 98504A3 or 51140 / 807988A2 V8 small block Chevy exhaust elbow - riser (3 inch or 4 inch) x 2 P/N 31100 Gasket / 27-33395 x 2 P/N 30240 Gasket / 27-863724 x 2 P/N 13991 90 degree hose fitting / 22-806926 x 2 P/N 13992 Drain plug / 22-806608A02 x 2 P/N 80140 O-ring for plug / 25-45253 x 2 P/N 22391 Stud / 16-49545 x 8 P/N 21248 Locknut / 11-46335 x 8	GLM Marine aftermarket Mercruiser exhaust manifold parts compatible with: 305 V8 200, 1985 - 1987(S/N 6899058 - 0B774444) 228, 1983 - 1995 (S/N 6218462 - 0F600999) 230, 1985 - 1987 (S/N 6899269 - 0B773739) 230 MEI, 1981 - 1987 (S/N 5907058-0B788151) 5.0L, 1988 - 1995 (S/N 0B774445 - 0F600999) 5.0L EFI Gen +, 1998 - 2001, (S/N 0L012052 - Up) 5.0L LX, 1988 - 1995 (S/N 0B773740 - 0F600999) 898, 1983 - 1984 (S/N 6218462 - 6899057) 260, 1983 - 1987 (S/N 6218462 - 0B773304) 260 MEI, 1981 - 1987 (S/N 5907058 - 0F024999) 300, 1985 - 1986 (S/N 6668677 - 0B430367) 320 EFI 1987 - 1989 (S/N 0A543604 - 0C622418) 350 MAG Alpha 1986 - 1987 (S/N 0A635178 - 0K999999) 350 MAG Alpha EFI 1996-1997 (S/N 0F800300 - 0K999999) 350 MAG Bravo MPI, 1995 - 1997 (S/N 0F415189 - 0K999999) 350 MAG EFI Ski, 1994 - 1997 (S/N 0F215561 - 0K999999) 350 MAG MPI Horizon 1998 - 2001 (S/N 0L010019 - up) 350 Mag MPI MIE, 1998 - 2001 (S/N 0L002008- up) 350 Mag MPI Ski, 1995 - 1996 (S/N 0F350583 - 0F799999) 350 Mag MPI Ski Gen +, 2001 - up (S/N 0M300000 - up) 5.7L, 1988 - 2001 (S/N 6218462 - up) 5.7L EFI 1995 - 2001 (S/N 0F225560 - up) 5.7L EFI MIE, 1997 (S/N 0K40300 - 0K999999) 5.7L MIE Gen +, 1998 - 2001 (S/N 0L002003 - up) 5.7L Ski, 1985 - 2001 (S/N 0A338533 - up) 5.7L LX 350 / EFI / Bravo, 1996 - 1997 (S/N 0F601000 - 0K999999) 377 Scorpion MCM, 2001 - 2001 (S/N 0L416146 - up) 377 Scorpion Ski, 1997 - 1998 (S/N 0K000656 - up) MX 6.2L MPI 377 / Horizon, 2000 - 2001 (S/N 0L68003 - up) $599 US $791 CDN

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