Mercruiser Upper Gear Repair Kits - Sterndrive

UPPER GEAR CHART - DRIVESHAFT HOUSING GEAR REPAIR KITS

MERCURY® MERCRUISER® DRIVE SYSTEMS

Find your OEM Mercruiser driveshaft housing upper gears & upper gear repair kits for every Mercruiser drive including Alpha, Bravo, and XR drives here quickly and easily. Save money with these handy gear repair kits. Order online for discounted pricing.

Model	Gear Ratio	Year Range	Serial # Range	Drive Gear	Driven Gear/Gear Kit	Upper 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.	N.L.A.	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.	N.L.A.	N/A
120/140	1.98	1970 - 1982	2791957 - 6225576	N.S.S.	43-55778A3	N/A
470/485	1.84	1976 - 1982	4208730 - 6225575	N.S.S.	43-75325A3	N/A
160	1.68	1967 - 1969	2065190 - 2763441	N.S.S.	N.L.A.	N/A
165	1.65	1970 - 1981	2763442 and up	N.S.S.	43-45814A5	N/A
888	1.50	1971 - 1977	3106717 and up	N.S.S.	43-18411A2	N/A
225-S	1.50	1974	3856268 - 4200499	N.S.S.	43-18411A2	N/A
233	1.32	1975 - 1977	4200500 and up	N.S.S.	43-8M0080756	N/A
898/228	1.50	1977 - 1982	4782330 - 6225576	N.S.S.	43-18411A2	N/A
250	1.32	1977	4791300 - 4898729	N.S.S.	43-8M0080756	N/A
260	1.50	1978 - 1982	4898730 - 6225576	N.S.S.	43-18411A2	N/A
R/MR/Alpha One	1.98	1983 - 1990	6225577 - 0D469858	N.S.S.	43-55778A3	43-803101T1
R/MR/Alpha One	1.84	1983 - 1990	6225577 - 0D469858	N.S.S.	43-75325A3	43-803114T1
R/MR/Alpha One	1.65	1983 - 1990	6225577 - 0D469858	N.S.S.	43-45814A5	43-803112T1
R/MR/Alpha One	1.50	1983 - 1990	6225577 - 0D469858	N.S.S.	43-18411A2	43-803116T1(1)
R/MR/Alpha One	1.50 HD	1983 - 1990	6225577 - 0D469858	N.S.S.	43-18411A4	43-803116T1
R/MR/Alpha One	1.32	1983 - 1990	6225577 - 0D469858	N.S.S.	43-8M0080756	43-803115T1
Alpha One SS	1.50	1986 - 1989	0A545004 and up	N.S.S.	43-18411A4	43-803116T1
Alpha One SS	1.32	1986 - 1989	0A545004 and up	N.S.S.	43-8M0080756	43-803115T1
Alpha One Gen II	2.40	1991 - 1997	0D469859 - 0K999999	N.S.S.	43-55778A3	43-803118T1
Alpha One Gen II	1.98/1.94	1991 - 1997	0D469859 - 0K999999	N.S.S.	43-55778A3	43-803118T1
Alpha One Gen II	1.65/1.62	1991 - 1997	0D469859 - 0K999999	N.S.S.	43-45814A5	43-803119T1
Alpha One Gen II	1.84/1.81	1991 - 1997	0D469859 - 0K999999	N.S.S.	43-75325A3	43-803120T1
Alpha One Gen II	1.50/1.47	1991 - 1997	0D469859 - 0K999999	N.S.S.	43-18411A2	43-803102T1
Alpha One Gen II	2.40	1998 - 2019	0L100040 and up	N.S.S.	43-853642A2	43-803106T1
Alpha One Gen II	2.00	1998 - 2019	0L100040 and up	N.S.S.	43-853640A2	43-803104T1
Alpha One Gen II	1.94	1998 - 2019	0L100040 and up	N.S.S.	43-853642A2	43-803106T1
Alpha One Gen II	1.81	1998 - 2019	0L100040 and up	N.S.S.	43-853643A2	43-803105T1
Alpha One Gen II	1.62	1998 - 2019	0L100040 and up	N.S.S.	43-853640A2	43-803104T1
Alpha One Gen II	1.47	1998 - 2019	0L100040 and up	N.S.S.	43-853641A2	43-803103T1
Vazer	2.77	2007 - 2009	0W995000 and up	N.S.S.	43-853642A2	N/A
Vazer	2.58	2007 - 2009	0W995000 and up	N.S.S.	43-853643A2	N/A
Bravo I	1.65	1988 - 1995	0B664190 - 0F729999	N.L.A.(2)	43-883479A4	43-803109T2
Bravo I	1.65	1996 - 1999	0F730000 - 0M100000	N.L.A.(3)	43-883479A3	43-803109T2
Bravo I	1.65	2000 - 2004	0M100001 - 0W249999	N.S.S.	43-883479A2	N/A
Bravo I	1.65	2004 - 2019	0W250000 and up	N.S.S.	43-8M0060005	N/A
Bravo I	1.50	1988 - 1995	0B664190 - 0F729999	N.L.A.(4)	43-883473A4	43-803107T2
Bravo I	1.50	1996 - 1999	0F730000 - 0M100000	N.L.A.(5)	43-883473A3	43-803107T2
Bravo I	1.50	2000 - 2004	0M100001- 0W249999	N.S.S.	43-883473A2	N/A
Bravo I	1.50	2004 - 2019	0W250000 and up	N.S.S.	43-8M0060003	N/A
Bravo I	1.36	1988 - 1995	0B664190 - 0F729999	N.L.A.(6)	43-883476A4	43-803108T2
Bravo I	1.36	1996 - 1999	0F730000 - 0M100000	N.L.A.(7)	43-883476A3	43-803108T2
Bravo I	1.36	2000 - 2019	0M100001 and up	N.S.S.	43-883476A2	N/A
Bravo I - Diesel	1.65	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883479A3	N/A
Bravo I - Diesel	1.50	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883473A3	N/A
Bravo I - Diesel	1.36	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883476A3	N/A
Bravo I Performance	1.65	1998 - 1999	0L000000 - 0M100000	N.L.A.(3)	43-883479A3	N/A
Bravo I Performance	1.65	2000 - 2019	0M100001 and up	N.S.S.	43-883479A2	N/A
Bravo I Performance	1.50	1998 - 1999	0L000000 - 0M100000	N.L.A.(5)	43-883473A3	N/A
Bravo I Performance	1.50	2000 - 2019	0M100001 and up	N.S.S.	43-883473A2	N/A
Bravo I Performance	1.36	1998 - 1999	0L000000 - 0M100000	N.L.A.(7)	43-883476A3	N/A
Bravo I Performance	1.36	2000 - 2019	0M100001 and up	N.S.S.	43-883476A2	N/A
Bravo I X	1.65	2000 - 2019	0M100001 and up	N.S.S.	43-887909A1	N/A
Bravo I X	1.50	2000 - 2019	0M100001 and up	N.S.S.	43-887903A1	N/A
Bravo I X	1.36	2000 - 2019	0M100001 and up	N.S.S.	43-887906A1	N/A
Bravo I XR	1.26	2000 - 2019	0M100001 and up	43-8493201	43-840898A3	N/A
Bravo I XR	1.35	2000 - 2019	0M100001 and up	43-8493201	43-840898A3	N/A
Bravo I XR	1.50	2000 - 2019	0M100001 and up	43-8493201	43-840898A3	N/A
Bravo I XZ	1.50	2000 - 2019	0M100001 and up	N.S.S.	43-887903A1	N/A
Bravo I XZ	1.36	2000 - 2019	0M100001 and up	N.S.S.	43-887906A1	N/A
Bravo II	2.20	1988 - 1995	0B664190 - 0F729999	N.L.A.(2)	43-883479A4	43-803109T2
Bravo II	2.20	1996 - 1999	0F730000 - 0M100000	N.L.A.(3)	43-883479A3	43-803109T2
Bravo II	2.20	2000 - 2004	0M100001 - 0W249999	N.S.S.	43-883479A2	N/A
Bravo II	2.20	2004 - 2019	0W250000 and up	N.S.S.	43-8M0060005	N/A
Bravo II	2.00	1988 - 1995	0B664190 - 0F729999	N.L.A.(4)	43-883473A4	43-803107T2
Bravo II	2.00	1996 - 1999	0F730000 - 0M100000	N.L.A.(5)	43-883473A3	43-803107T2
Bravo II	2.00	2000 - 2004	0M100001- 0W249999	N.S.S.	43-883473A2	N/A
Bravo II	2.00	2004 - 2019	0W250000 and up	N.S.S.	43-8M0060003	N/A
Bravo II	1.81	1988 - 1995	0B664190 - 0F729999	N.L.A.(6)	43-883476A4	43-803108T2
Bravo II	1.81	1996 - 1999	0F730000 - 0M100000	N.L.A.(7)	43-883476A3	43-803108T2
Bravo II	1.81	2000 - 2004	0M100001- 0W249999	N.S.S.	43-883476A2	N/A
Bravo II	1.81	2004 - 2019	0W250000 and up	N.S.S.	43-8M0060004	N/A
Bravo II	1.65	1996 - 1999	0F730000 - 0M100000	N.L.A.(4)	43-883473A3	43-803107T2
Bravo II	1.65	2000 - 2004	0M100001- 0W249999	N.S.S.	43-883473A2	N/A
Bravo II	1.65	2004 - 2019	0W250000 and up	N.S.S.	43-8M0060003	N/A
Bravo II	1.50	1996 - 1999	0F730000 - 0M100000	N.L.A.(7)	43-883476A3	43-803108T2
Bravo II	1.50	2000 - 2019	0M100001 and up	N.S.S.	43-883476A2	N/A
Bravo II - Diesel	2.20	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883479A3	N/A
Bravo II - Diesel	2.00	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883473A3	N/A
Bravo II - Diesel	1.81	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883476A3	N/A
Bravo II - Diesel	1.65	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883473A3	N/A
Bravo II - Diesel	1.50	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883476A3	N/A
Bravo II X	2.20	2000 - 2019	0M100001 and up	N.S.S.	43-887909A1	N/A
Bravo II X	2.00	2000 - 2019	0M100001 and up	N.S.S.	43-887903A1	N/A
Bravo II X	1.81	2000 - 2019	0M100001 and up	N.S.S.	43-887906A1	N/A
Bravo II X	1.65	2000 - 2019	0M100001 and up	N.S.S.	43-887903A1	N/A
Bravo II X	1.50	2000 - 2019	0M100001 and up	N.S.S.	43-887906A1	N/A
Bravo III	2.43	1996 - 1999	0F730000 - 0M100000	N.L.A.(3)	43-883479A3	43-803109T2
Bravo III	2.43	2000 - 2004	0M100001- 0W249999	N.S.S.	43-883479A2	N/A
Bravo III	2.43	2004 - 2019	0W250000 and up	N.S.S.	43-8M0060005	N/A
Bravo III	2.20	1988 - 1995	0B664190 - 0F729999	N.L.A.(2)	43-883479A4	43-803109T2
Bravo III	2.20	1996 - 1999	0F730000 - 0M100000	N.L.A.(3)	43-883479A3	43-803109T2
Bravo III	2.20	2000 - 2004	0M100001- 0W249999	N.S.S.	43-883479A2	N/A
Bravo III	2.20	2004 - 2019	0W250000 and up	N.S.S.	43-8M0060005	N/A
Bravo III	2.00	1988 - 1995	0B664190 - 0F729999	N.L.A.(4)	43-883473A4	43-803107T2
Bravo III	2.00	1996 - 1999	0F730000 - 0M100000	N.L.A.(5)	43-883473A3	43-803107T2
Bravo III	2.00	2000 - 2004	0M100001- 0W249999	N.S.S.	43-883473A2	N/A
Bravo III	2.00	2004 - 2019	0W250000 and up	N.S.S.	43-8M0060003	N/A
Bravo III	1.81	1988 - 1995	0B664190 - 0F729999	N.L.A.(6)	43-883476A4	43-803108T2
Bravo III	1.81	1996 - 1999	0F730000 - 0M100000	N.L.A.(7)	43-883476A3	43-803108T2
Bravo III	1.81	2000 - 2004	0M100001- 0W249999	N.S.S.	43-883476A2	N/A
Bravo III	1.81	2004 - 2019	0W250000 and up	N.S.S.	43-8M0060004	N/A
Bravo III	1.65	1988 - 1995	0B664190 - 0F729999	N.L.A.(4)	43-883473A4	43-803107T2
Bravo III	1.65	1996 - 1999	0F730000 - 0M100000	N.L.A.(5)	43-883473A3	43-803107T2
Bravo III	1.65	2000 - 2004	0M100001- 0W249999	N.S.S.	43-883473A2	N/A
Bravo III	1.65	2004 - 2019	0W250000 and up	N.S.S.	43-8M0060003	N/A
Bravo III	1.50	1988 - 1995	0B664190 - 0F729999	N.L.A.(4)	43-883473A4	43-803107T2
Bravo III	1.50	1996 - 1999	0F730000 - 0M100000	N.L.A.(5)	43-883473A3	43-803107T2
Bravo III	1.50	2000 - 2019	0M100001 and up	N.S.S.	43-883473A2	N/A
Bravo III	1.36	1996 - 1999	0F730000 - 0M100000	N.L.A.(7)	43-883476A3	43-803108T2
Bravo III	1.36	2000 - 2019	0M100001 and up	N.S.S.	43-883476A2	N/A
Bravo III - Diesel	2.43	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883479A3	N/A
Bravo III - Diesel	2.20	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883479A3	N/A
Bravo III - Diesel	2.00	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883473A3	N/A
Bravo III - Diesel	1.81	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883476A3	N/A
Bravo III - Diesel	1.65	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883473A3	N/A
Bravo III - Diesel	1.50	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883473A3	N/A
Bravo III - Diesel	1.36	1996 - 1999	0F730000 - 0M100000	N.S.S.	43-883476A3	N/A
Bravo III X	2.43	2000 - 2019	0M100001 and up	N.S.S.	43-887909A1	N/A
Bravo III X	2.20	2000 - 2019	0M100001 and up	N.S.S.	43-887909A1	N/A
Bravo III X	2.00	2000 - 2019	0M100001 and up	N.S.S.	43-887903A1	N/A
Bravo III X	1.81	2000 - 2019	0M100001 and up	N.S.S.	43-887906A1	N/A
Bravo III X	1.65	2000 - 2019	0M100001 and up	N.S.S.	43-887903A1	N/A
Bravo III X	1.50	2000 - 2019	0M100001 and up	N.S.S.	43-887903A1	N/A
Bravo III X	1.36	2000 - 2019	0M100001 and up	N.S.S.	43-887906A1	N/A
Blackhawk	1.65	1994	0F186717 - 0F392505	N.L.A.(2)	43-883479A4	N/A
Blackhawk	1.65	1994 - 2019	0F392506 and up	N.L.A.(5)	43-883473A4	N/A
Blackhawk	1.50	1994 - 2019	0F186717 and up	N.L.A.(5)	43-883473A4	N/A
Blackhawk	1.36	1994 - 2019	0F186717 and up	N.L.A.(6)	43-883476A4	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	N.L.A.	N.L.A.	N/A
N.S.S. = Not sold separately
N.L.A. = No Longer Available
(1)Some early 1.5 units with cone 89449 & cup 89410 must order an 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
(6)Order gear kit 43-883476A4
(7)Order gear kit 43-883476A3