Transom Gasket and Seal Chart

Below are part numbers for Mercruiser transom & bell housing repairs.

If you're looking for a complete kit to seal your transom view our Transom Seal Repair Kits page

TRANSOM SEAL REPAIR KITS
Stern Drive Installation Gaskets
MODEL	YEAR RANGE	SERIAL # RANGE	BELL HOUSING GASKET SET	BELL HOUSING O-RING	BELL HOUSING RUBBER SEAL	TRANSOM SEAL REPAIR KIT	TRANSOM SEAL/GASKET
60/80/90	1965-1966	1830753 - 2063740	N.L.A.	N.L.A.	N.L.A.	N/A	N.L.A.
I	1963	1534570 - 1684187	N.L.A.	25-33504	N/A	N/A	27-70974
IA/IB/IC & EZ-Shift	1964-1966	1684188 - 2065186	27-35996A1	25-33504	27-35982	N/A	27-70974
120/140	1967-1973	2062141 - 3780849	27-64818Q4	25-33504	27-35982	N/A	27-70974
120/140	1974-1977	3780850 - 4893634	27-64818Q4	25-33504	27-35982	N/A	27-65373
120/140	1978-1982	4893635 - 6225576	27-64818Q4	25-33504	27-35982	N/A	65533A1
470/485	1976-1982	4208730 - 6225575	27-64818Q4	25-33504	27-35982	N/A	65533A1
160/165	1967-1973	2065190 - 3780849	27-64818Q4	25-33504	27-35982	N/A	27-70974
165	1974-1977	3780850 - 4890459	27-64818Q4	25-33504	27-35982	N/A	27-65373
165	1978-1981	4890460 and up	27-64818Q4	25-33504	27-35982	N/A	65533A1
888	1971-1977	3106717 and up	27-64818Q4	25-33504	27-35982	N/A	27-65373(3)
888	1974-1977	3106717 and up	27-64818Q4	25-33504	27-35982	N/A	65533A1(4)
225/233	1974-1977	3856268 and up	27-64818Q4	25-33504	27-35982	N/A	27-65373(3)
225/233	1974-1977	3856268 and up	27-64818Q4	25-33504	27-35982	N/A	65533A1 (4)
898/228	1977-1982	4782330-6225576	27-64818Q4	25-33504	27-35982	N/A	65533A1
250/260	1977-1982	4791300-6225576	27-64818Q4	25-33504	27-35982	N/A	65533A1
R, MR, Alpha One	1983-1990	6225577-0D469858	27-94996Q2	25-33504	27-35982	30-803097T1 (2)	65533A1
R, MR, Alpha One	1983-1990	6225577-0D469858	27-94996Q2	25-33504	27-35982	30-803098T1 (1)	65533A1
Alpha One SS	1986-1989	0A545004 and up	27-94996Q2	25-33504	27-35982	30-803097T1 (2)	65533A1
Alpha One SS	1986-1989	0A545004 and up	27-94996Q2	25-33504	27-35982	30-803098T1 (1)	65533A1
Alpha One Gen II	1991-2019	0D469859 and up	27-94996Q2	25-33504	27-35982	30-803099T1	43713
Bravo I/II/III	1988-2019	0B664190 and up	16755Q1	25-45710	N/A	8M0095485	43713
Blackhawk	1994-1995	0F186717 and up	16755Q1	25-45710	N/A	8M0095485	43713
II	1962-1969	1474909-2671321	N/A	N/A	N/A	N/A	N.L.A.
III	1968-1972	2373127-3002613	N/A	25-31534	N/A	N/A	27-47366T
215E/H	1970-1972	2782203-2915034	27-54014Q1	N/A	N/A	N/A	27-47366T
TR/TRS	1973-1993	3377316 and up	27-54014Q1	N/A	N/A	N/A	27-47366T
(1) With exhaust tube
(2) With exhaust bellows
(3) Gimbal ring without trim sender
(4) Gimbal ring with trim sender