Mercruiser Lower Gear Repair Kits - Sterndrive

Lower Gear Chart - Gear Housing Gear Repair Kits

MERCURY® MERCRUISER® DRIVE SYSTEMS

Bravo lower unit gear repair kit

Find your OEM Mercruiser lower unit gear case gears & lower 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	Gear Housing Repair Kit	Forward Gear	Pinion Gear	Reverse Gear
I	2.00	1963	1534570 - 1536617	N/A	N.L.A.	N.L.A.	N.L.A.
I	2.00	1963	1536618 - 1684187	N/A	N.L.A.	N.L.A.	N.L.A.
IA	1.84	1964 - 1966	1684188 - 1776348	N/A	N.L.A.	N.L.A.	N.L.A.
IB	2.01	1964 - 1966	1684633 - 1775192	N/A	N.L.A.	N.L.A.	N.L.A.
IC	1.68	1964 -1966	1685240 - 1777798	N/A	N.L.A.	N.L.A.	N.L.A.
IA EZ Shift	1.84	1964 -1966	1776449 - 2065189	N/A	N.L.A.	N.L.A.	N.L.A.
IB EZ Shift	2.01	1964 -1966	1775193 - 2065189	N/A	N.L.A.	N.L.A.	N.L.A.
IC EZ Shift	1.68	1964 - 1966	1777799 - 2065189	N/A	N.L.A.	N.L.A.	N.L.A.
120/140	1.98	1967 - 1972	2062141 - 3443920	N/A	N.L.A.	N.L.A.	N.L.A.
120/140	1.98	1972 - 1977	3469428 - 4893634	N/A	N.L.A.	N/A	N.L.A.
120/140	1.98	1978 -1982	4893635 - 6225576	N/A	N.L.A.	N/A	N/A
470/485	1.84	1976 -1977	4208730 - 4893934	N/A	N.L.A.	N/A	N.L.A.
470/485	1.84	1978 -1982	4893835 - 6225575	N/A	N.L.A.	N/A	N/A
160	1.68	1967 - 1969	2065190 - 2763441	N/A	N.L.A.	N.L.A.	N.L.A.
165	1.65	1970 - 1977	2763442 - 4890459	N/A	N.L.A.	N/A	N.L.A.
165	1.65	1978 - 1981	4890460 and up	N/A	N.L.A.	N/A	N/A
888	1.50	1971 - 1977	3106717 and up	N/A	N.L.A.	N/A	N.L.A.
225/233	1.50/1.32	1974 -1977	3856268 and up	N/A	N.L.A.	N/A	N.L.A.
898/228	1.65/1.50	1977 -1982	4782330 - 6225576	N/A	N.L.A.	N/A	N/A
250/260	1.50/1.32	1977 - 1982	4791300 - 6225576	N/A	N.L.A.	N/A	N/A
R	ALL	1983	6225577 - 6810537	N.L.A.	43-96084A7	N/A	43-92320T
MR/Alpha One	ALL	1984 -1990	6810538 - 0D469858	43-803091T1	43-878087A4	N/A	43-824109A1
MR/Alpha One (CR)	ALL	1984 -1990	6810538 - 0D469858	N.L.A.	N.L.A.	N/A	N.L.A.
Alpha One SS	ALL	1986 -1989	0A545004 and up	N/A	43-878087A4	N/A	43-824109A1
Alpha One Gen II	1.98/1.84/1.65/1.50	1991 - 1995	0D469859 - 0F679999	N.L.A.	43-878087A4	N/A	43-824109A1
Alpha One Gen II	2.40	1991 - 1995	0D469859 - 0F679999	N.L.A.	N.L.A.	N/A	N/A
Alpha One Gen II (CR)	ALL	1991 - 1995	0D469859 - 0F679999	N.L.A.	N.L.A.	N/A	N.L.A.
Alpha One Gen II	1.94/1.81/1.62/1.47	1996 -1997	0F680000 - 0K999999	N.L.A.	43-878087A2	N/A	43-828073A1
Alpha One Gen II	2.40	1996 -1997	0F680000 - 0K999999	N.L.A.	N.L.A.	N/A	N/A
Alpha One Gen II (CR)	1.94/1.81/1.62/1.47	1996 -1997	0F680000 - 0K999999	N.L.A.	43-828289A1	N/A	43-828290T2
Alpha One Gen II	1.94/1.81/1.62/1.47	1998 - 2021	0L100040 and up	43-803073T1	43-878087A2	N/A	43-828073A1
Alpha One Gen II	2.00/2.40	1998 - 2021	0L100040 and up	43-803074T1	43-878617A2	N/A	43-853593A1
Alpha One Gen II (CR)	1.94/1.81/1.62/1.47	1998 - 2021	0L100040 and up	N.L.A.	43-828289A1	N/A	43-828290T2
Alpha One Gen II (CR)	2.00	1998 - 2021	0L100040 and up	N/A	43-855651A1	N/A	43-855652T1
Vazer	2.77/2.58	2007 - 2009	0W995000 and up	N/A	N.L.A.	N/A	N.L.A.
Bravo I	ALL	1988 - 2021	0B664190 and up	43-803081T02	43-14063A1	N/A	N/A
Bravo I X	ALL	2000 - 2021	0M100001 and up	43-803081T02	43-14063A1	N/A	N/A
Bravo I XR/XZ	1.50/1.36	2000 - 2021	0M100001 and up	N/A	43-818928A2	N/A	N/A
Bravo ll & II X	1.81/2.00/2.20	1988 - 2021	0B664190 and up	43-803083T02	43-41657T	43-41656T	N/A
Bravo II & II X	1.50/1.65	1988 - 2021	0B664190 and up	N.L.A.	43-827303	43-827304T	N/A
Bravo III & Ill X	1.36/1.50	1988 - 2021	0B664190 and up	N.L.A.	43-805448A1	N/A	N/A
Bravo III & Ill X	1.65	1988 - 2021	0B664190 and up	N.L.A.	43-824517A1	N/A	N/A
Bravo III & III X	1.81/2.00/2.20	1988 - 2021	0B664190 and up	43-803088T02	43-822535A1	N/A	N/A
Bravo III & III X	2.43	1988 - 2021	0B664190 and up	N.L.A.	43-828336A1	N/A	N/A
Bravo III XR	1.65	2004 - 2021	0W240000 and up	N.L.A.	43-824517A1	N/A	N/A
Bravo III XR	1.81	2004 - 2021	0W240000 and up	N/A	43-841910A01	N/A	N/A
Bravo III XR	2.00	2004 - 2021	0W240000 and up	43-803088T02	43-822535A1	N/A	N/A
Blackhawk	1.36/1.50	1994 - 2021	0F186717 and up	N/A	43-805448A1	N/A	N/A
Blackhawk	1.65	1994	0F186717-0F392505	N/A	43-805448A1	N/A	N/A
Blackhawk	1.65	1994 - 2021	0F392506 and up	N/A	43-824517A1	N/A	N/A
Blackhawk	1.81	1994 - 2021	0F186717 and up	N/A	43-822535A1	N/A	N/A
TR	2.00	1973 -1993	3377316 and up	N/A	N.L.A.	N.L.A.	N/A
TRS	1.33	1973 -1993	3377316 and up	N/A	N.L.A.	N.L.A.	N/A
TRS	1.50	1973 -1993	3377316 and up	N/A	N.L.A.	N.L.A.	N/A