Sterndrives.Com     Mercruiser Sterndrive Information
Mercruiser Parts Mercruiser Help Mercruiser Manuals Mercruiser Tools Mercruiser Sterndrives Contact


Upper Gear Kits

    Insist on ONLY Original Factory Parts


Note: Gear Repair Kits include bearings, shims, seals, orings and pinion nut.

Chart Notes:
(1) Some early 1.5 units with cone 89449 and cup 89410 must now order additional bearing 31-35990A1.
(2) Order Gear Kit 43-883479A4.
(3) Order Gear Kit 43-883479A3
(4) Order Gear Kit 43-883473A4
(5) Order Gear Kit 43-883473A3
N.S.S. = Not Sold Seperatly
N.L.A. = No Longer Available
N/A = Not Available

    Don't forget to order your Special Tools.
    Read more about Rebuilding Your Alpha One Upper driveshaft Housing.
    We recommend the factory Service Manuals to get the job done right.

Upper Driveshaft Housing Gear Chart
Model Ratio Year Serial # Drive Gear Driven Gear or Gear Kit Gear Repair Kit
IA & EZ Shift 1.84 1964 - 1966 1684188-2065186 N.S.S. N.L.A. N/A
IB & EZ Shift 2.01 1964 - 1966 1684188-2065186 N.S.S. 36219A 1 NLA N/A
IC & EZ Shift 1.68 1964 - 1966 1684188-2065186 N.S.S. N.L.A. N/A
120/140 1.98 1967 - 1969 2062141-2791956 N.S.S. 45615A 2 NLA N/A
120/140 1.98 1970 - 1982 2791957-6225576 N.S.S. 55778A 3 N/A
470/485 1.84 1976 - 1982 4208730-6225575 N.S.S. 75325A 3 N/A
160 1.68 1967 - 1969 2065190-2763441 N.S.S. 45569A 5 N/A
165 1.65 1970 - 1981 2763442 and up N.S.S. 45814A 5 N/A
888 1.50 1971 - 1977 3106717 and up N.S.S. 18411A 2 N/A
225-S 1.50 1974 - 1974 3856268-4200499 N.S.S. 18411A 2 N/A
233 1.32 1975 - 1977 4200500 and up N.S.S. 66773A 3 s/s to 8M0080756 N/A
898/228 1.50 1977 - 1982 4782330-6225576 N.S.S. 18411A 2 N/A
250 1.32 1977 - 1977 4791300-4898729 N.S.S. 66773A 3 s/s to 8M0080756 N/A
260 1.50 1978 - 1982 4898730-6225576 N.S.S. 18411A 2 N/A
R/MR/Alpha One 1.98 1983 - 1990 6225577 and up N.S.S. 55778A 3 803101T 1
R/MR/Alpha One 1.84 1983 - 1990 6225577 and up N.S.S. 75325A 3 803114T 1
R/MR/Alpha One 1.65 1983 - 1990 6225577 and up N.S.S. 45814A 5 803112T 1
R/MR/Alpha One 1.50 1983 - 1990 6225577 and up N.S.S. 18411A 2 803116T 1 (1)
R/MR/Alpha One 1983 - 1990 6225577 and up N.S.S. 18411A 4 803116T 1
R/MR/Alpha One 1.32 1983 - 1990 6225577 and up N.S.S. 66773A 3 s/s to 8M0080756 803115T 1
Alpha One SS 1.50 1986 - 1989 0A545004 and up N.S.S. 18411A 4 803116T 1
Alpha One SS 1.32 1986 - 1989 0A545004 and up N.S.S. 66773A 3 s/s to 8M0080756 803115T 1
Alpha One Gen II 2.40 1991 - 1997 0D469859-0K999999 N.S.S. 55778A 3 803118T 1
Alpha One Gen II 1991 - 1997 0D469859-0K999999 N.S.S. 55778A 3 803118T 1
Alpha One Gen II 1991 - 1997 0D469859-0K999999 N.S.S. 45814A 5 803119T 1
Alpha One Gen II 1991 - 1997 0D469859-0K999999 N.S.S. 75325A 3 803120T 1
Alpha One Gen II 1991 - 1997 0D469859-0K999999 N.S.S. 18411A 2 803102T 1
Alpha One Gen II 2.40 1998 and newer 0L100040 and up N.S.S. 853642A 2 803106T 1
Alpha One Gen II 2.00 1998 and newer 0L100040 and up N.S.S. 853640A 2 803104T 1
Alpha One Gen II 1.94 1998 and newer 0L100040 and up N.S.S. 853642A 2 803106T 1
Alpha One Gen II 1.81 1998 and newer 0L100040 and up N.S.S. 853643A 2 803105T 1
Alpha One Gen II 1.62 1998 and newer 0L100040 and up N.S.S. 853640A 2 803104T 1
Alpha One Gen II 1.47 1998 and newer 0L100040 and up N.S.S. 853641A 2 803103T 1
Bravo I 1.65 1988 - 1995 0B664190-0F345867 N.L.A. (2) 807437A 1 s/s to 883479A 4 803109T 2
Bravo I 1.65 1995 - 1999 0F345868-0L999999 N.L.A. (3) 807437A 5 803109T 2
Bravo I 1.65 2000 and newer 0M100001 and up N.S.S. 883479A 2 N/A
Bravo I 1.50 1988 - 1995 0B664190-0F345867 N.L.A. (4) 883473A 4 803107T 2
Bravo I 1.50 1995 - 1999 0F345868-0L999999 N.L.A. (5) 883473A 3 803107T 2
Bravo I 1.50 2000 and newer 0M100001 and up N.S.S. 883473A 2 N/A
Bravo I 1.36 1988 - 1995 0B664190-0F345867 815661T 807438A 1 s/s to 883476A 4 803108T 2
Bravo I 1.36 1995 - 1997 0F345868-0K103438 815661T 807438A 5 803111T 1 s/s to 803108T 2
Bravo I 1.36 1997 - 1999 0K103439-0L999999 815661T 807438A 6 N/A
Bravo I 1.36 2000 and newer 0M100001 and up N.S.S. 883476A 2 N/A
Bravo I - Diesel 1.65 1996 - 1999 0F730000-0L999999 N.S.S. 883479A 3 N/A
Bravo I - Diesel 1.50 1996 - 1999 0F730000-0L999999 N.S.S. 883473A 3 N/A
Bravo I - Diesel 1.36 1996 - 1999 0F730000-0L999999 N.S.S. 883476A 3 N/A
Bravo I Performance 1.65 1998 - 1999 0L000000-0L999999 N.L.A. (3) 807437A6 is NLA. Order 43-883479A3 N/A
Bravo I Performance 1.65 2000 and newer 0M100001 and up N.S.S. 883479A 2 N/A
Bravo I Performance 1.50 1998 - 1999 0L000000-0L999999 N.L.A. (5) 807436A7 is NLA. Order 43-883473A3 N/A
Bravo I Performance 1.50 2000 and newer 0M100001 and up N.S.S. 883473A 2 N/A
Bravo I Performance 1.36 1998 - 1999 0L000000-0L999999 815661T NLA. Refer to Bulletin 2001-17 807438A6 NLA. Order 43-883476A3 N/A
Bravo I Performance 1.36 2000 and newer 0M100001 and up N.S.S. 883476A 2 N/A
Bravo I X 1.65 2000 and newer 0M100001 and up N.S.S. 887909A 1 N/A
Bravo I X 1.50 2000 and newer 0M100001 and up N.S.S. 887903A 1 N/A
Bravo I X 1.36 2000 and newer 0M100001 and up N.S.S. 887906A 1 N/A
Bravo I XR 1.26 2000 and newer 0M100001 and up 849320T 840898A 3 N/A
Bravo I XR 1.35 2000 and newer 0M100001 and up 849320T 840898A 3 N/A
Bravo I XR 1.50 2000 and newer 0M100001 and up 849320T 840898A 3 N/A
Bravo I XZ 1.50 2000 and newer 0M100001 and up N.S.S. 887903A 1 N/A
Bravo I XZ 1.36 2000 and newer 0M100001 and up N.S.S. 887906A 1 N/A
Bravo II 2.20 1988 - 1995 0B664190-0F345867 N.L.A. (2) 807437A 1 803109T 2
Bravo II 2.20 1995 - 1999 0F345868-0L999999 N.L.A. (3) 807437A 5 803109T 2
Bravo II 2.20 2000 and newer 0M100001 and up N.S.S. 883479A 2 N/A
Bravo II 2.00 1988 - 1995 0B664190-0F345867 N.L.A. (4) 883473A 4 803107T 2
Bravo II 2.00 1995 - 1999 0F345868-0L999999 N.L.A. (5) 883473A 3 803107T 2
Bravo II 2.00 2000 and newer 0M100001 and up N.S.S. 883473A 2 N/A
Bravo II 1.81 1988 - 1995 0B664190-0F345867 815661T 807438A 1 803108T 2
Bravo II 1.81 1995 - 1999 0F345868-0L999999 815661T 807438A 5 803111T 1
Bravo II 1.81 2000 and newer 0M100001 and up N.S.S. 883476A 2 N/A
Bravo II 1.65 1995 - 1999 0F345868-0L999999 N.L.A. (4) 883473A 3 803107T 2
Bravo II 1.65 2000 and newer 0M100001 and up N.S.S. 883473A 2 N/A
Bravo II 1.50 1995 - 1997 0F345868-0K262209 815661T 807438A 5 803111T 1
Bravo II 1.50 1997 - 1999 0K262210-0L999999 815661T 807438A 6 N/A
Bravo II 1.50 2000 and newer 0M100001 and up N.S.S. 883476A 2 N/A
Bravo II - Diesel 2.20 1996 - 1999 0F730000-0L999999 N.S.S. 883479A 3 N/A
Bravo II - Diesel 2.00 1996 - 1999 0F730000-0L999999 N.S.S. 883473A 3 N/A
Bravo II - Diesel 1.81 1996 - 1999 0F730000-0L999999 N.S.S. 883476A 3 N/A
Bravo II - Diesel 1.65 1996 - 1999 0F730000-0L999999 N.S.S. 883473A 3 N/A
Bravo II - Diesel 1.50 1996 - 1999 0F730000-0L999999 N.S.S. 883476A 3 N/A
Bravo II X 2.20 2000 and newer 0M100001 and up N.S.S. 887909A 1 N/A
Bravo II X 2.00 2000 and newer 0M100001 and up N.S.S. 887903A 1 N/A
Bravo II X 1.81 2000 and newer 0M100001 and up N.S.S. 887906A 1 N/A
Bravo II X 1.65 2000 and newer 0M100001 and up N.S.S. 887903A 1 N/A
Bravo II X 1.50 2000 and newer 0M100001 and up N.S.S. 887906A 1 N/A
Bravo III 2.43 1995 - 1999 0F345868-0L999999 N.L.A. (2) 807437A 5 803109T 2
Bravo III 2.43 2000 and newer 0M100001 and up N.S.S. 883479A 2 N/A
Bravo III 2.20 1988 - 1995 0B664190-0F345867 N.L.A. (2) 807437A 1 803109T 2
Bravo III 2.20 1995 - 1999 0F345868-0L999999 N.L.A. (3) 807437A 5 803109T 2
Bravo III 2.20 2000 and newer 0M100001 and up N.S.S. 883479A 2 N/A
Bravo III 2.00 1988 - 1995 0B664190-0F345867 N.L.A. (4) 883473A 4 803107T 2
Bravo III 2.00 1995 - 1999 0F345868-0L999999 N.L.A. (5) 883473A 3 803107T 2
Bravo III 2.00 2000 and newer 0M100001 and up N.S.S. 883473A 2 N/A
Bravo III 1.81 1988 - 1995 0B664190-0F345867 815661T 807438A 1 803108T 2
Bravo III 1.81 1995 - 1999 0F345868-0L999999 815661T 807438A 5 803111T 1
Bravo III 1.81 2000 and newer 0M100001 and up N.S.S. 883476A 2 N/A
Bravo III 1.65 1988 - 1995 0B664190-0F345867 N.L.A. (4) 883473A 4 803107T 2
Bravo III 1.65 1995 - 1999 0F345868-0L999999 N.L.A. (5) 883473A 3 803107T 2
Bravo III 1.65 2000 and newer 0M100001 and up N.S.S. 883473A 2 N/A
Bravo III 1.50 1988 - 1995 0B664190-0F345867 N.L.A. (4) 883473A 4 803107T 2
Bravo III 1.50 1995 - 1999 0F345868-0L999999 N.L.A. (5) 883473A 3 803107T 2
Bravo III 1.50 2000 and newer 0M100001 and up N.S.S. 883473A 2 N/A
Bravo III 1.36 1995 - 1997 0F345868-0K262209 815661T 807438A 5 803111T 1
Bravo III 1.36 1997 - 1999 0K262210-0L999999 815661T 807438A 6 N/A
Bravo III 1.36 2000 and newer 0M100001 and up N.S.S. 883476A 2 N/A
Bravo III - Diesel 2.43 1996 - 1999 0F730000-0L999999 N.S.S. 883479A 3 N/A
Bravo III - Diesel 2.20 1996 - 1999 0F730000-0L999999 N.S.S. 883479A 3 N/A
Bravo III - Diesel 2.00 1996 - 1999 0F730000-0L999999 N.S.S. 883473A 3 N/A
Bravo III - Diesel 1.81 1996 - 1999 0F730000-0L999999 N.S.S. 883476A 3 N/A
Bravo III - Diesel 1.65 1996 - 1999 0F730000-0L999999 N.S.S. 883473A 3 N/A
Bravo III - Diesel 1.50 1996 - 1999 0F730000-0L999999 N.S.S. 883473A 3 N/A
Bravo III - Diesel 1.36 1996 - 1999 0F730000-0L999999 N.S.S. 883476A 3 N/A
Bravo III X 2.43 2000 and newer 0M100001 and up N.S.S. 887909A 1 N/A
Bravo III X 2.20 2000 and newer 0M100001 and up N.S.S. 887909A 1 N/A
Bravo III X 2.00 2000 and newer 0M100001 and up N.S.S. 887903A 1 N/A
Bravo III X 1.81 2000 and newer 0M100001 and up N.S.S. 887906A 1 N/A
Bravo III X 1.65 2000 and newer 0M100001 and up N.S.S. 887903A 1 N/A
Bravo III X 1.50 2000 and newer 0M100001 and up N.S.S. 887903A 1 N/A
Bravo III X 1.36 2000 and newer 0M100001 and up N.S.S. 887906A 1 N/A
Blackhawk 1.81 1994 and newer 0F186717 and up 815661T 807438A 6 N/A
Blackhawk 1.65 1994 - 1994 0F186717-0F392505 N.L.A. (2) 807437A 6 N/A
Blackhawk 1.65 1994 and newer 0F392506 and up N.L.A. (5) 807436A 7 N/A
Blackhawk 1.50 1994 and newer 0F186717 and up N.L.A. (5) 807436A 7 N/A
Blackhawk 1.36 1994 and newer 0F186717 and up 815661T 807438A 6 N/A
III 1.50 1968 - 1972 2373127-3002613 N.S.S. N.L.A. N/A
III 2.00 1968 - 1972 2373127-3002613 N.S.S. N.L.A. N/A
TR/TRS 1973 - 1993 3377316 and up 62878 62879T 1 N/A


To check price and availability on gears or gear kits, send us an email with your drives details.

   If you prefer, you can simply EMAIL us with your question(s) or request.

Mercruiser Sterndrive Parts.
Pre-Alpha, R, MR and MC1 Parts
Alpha One Parts
Seal Kits
Alpha One Gimbal (Transom) Parts and Kits
Alpha Gen II Parts
Alpha Gen II Gimbal (Transom) Parts and Kits
Bravo One Parts
Bravo Two Parts
Bravo Three Parts
Bravo Gimbal (Transom) Parts and Kits
TR and TRS Parts
Transom Seal Kits
Gimbal Bearings
Shift Cable Kits
Gear Kits
Shift Interuptor Switch Kits
Anodes and Zinc Kits
Water Pump Kits
Power Trim Pump Kits and Trim System Parts
Decal Sets
Sterndrive Special Tools
Mercruiser shop Manuals
Propellers
Remote Controls
Gauges
Trim Sender Switches
Trim Cylinder Assemblies
 Mercruiser Engine Parts
Filters and Filter Kits
Tuneup Kits
Carburetor Rebuild Kits
Carburetors
Raw Water Pump Kits
Circulation Water Pumps
Spark Plugs
Spark Plug Wire Kits
Gasket Sets
Exhaust Manifolds
Exhaust Elbows
Exhaust Riser Kits
Exhaust Water Shutter Kits
Ignition Modules and Ignition Coils
Cooling System Parts
Starter Motors
Solenoids
Alternators and Charging Systems
Belts and Belt-Pulley Kits
Drive Couplers
Fuel Pumps (Mechanical and Electric)
Wire Harnesses
Gauges and Instruments
Partial Engine Assemblies
Grease, Lubricants and Adhesives

©2004 Sterndrives.Com •Email • About Us • Home • Return Policy • Mercruiser Help • Shop Manuals • Search • Contact

Note: We are NOT Mercury Marine or Mercruiser.