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Mercruiser transom service kit application

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Upper gearcase parts drawing number 1 thru 22
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Lower gearcase parts drawings number 58 to 73
U-joint assembly
Anode - trim tab aluminum or magnesium
Anodes magnesium
Bearings shims seals lower gearcase
Bearings - tapered roller
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Help guide year with serial number
Help guide diesel - year with serial number
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Impeller keys
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manifold component application
488 / 485 / 470 Engine help page
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Nut propeller lock nut
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Shipping address
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Mercruiser aftermarket parts transom service kit application with model, year, serial number, bell housing gasket, o-rings and rubber seal
  • Model, year and range
  • Serial number and range
  • Bell housing gasket sets, o-ring and rubber seal
  • Transom seal repair kit and gasket
  • 21950 and 21951 Transom service kit chart
  • T.C.Electronics / Marine Aftermarket Mercruiser Help Line 416 751-7326

W 21950 Mercruiser or Alpha One transom service kit.jpg
21950 Mercruiser or Alpha One transom service kit

Model
Year range
Serial number range
Bell housing gasket set
Bell housing O-Ring
Bell housing rubber seal
Transom seal repair kit
Transom seal and gasket
60/80/90
1965-1966
1830753-2063740
-
-
82300
N/A
-
I
1963-1963
1534570-1684187
-
82200
-
N/A
-
IA/IB/IC & EZ-Shift
1964-1966
1684188-2065186
-
82200
31160
N/A
-
120/140
1967-1973
2062141-3780849
39590
82200
31160
N/A
-
120/140
1974-1977
3780850-4893634
39590
82200
31160
N/A
86712
120/140
1978-1982
4893635-6225576
39590
82200
31160
N/A
86721
470/485
1976-1982
4208730-6225575
39590
82200
31160
N/A
-
160/165
1967-1973
2065190-3780849
39590
82200
31160
N/A
-
165
1974-1977
3780850-4890459
39590
82200
31160
N/A
86712
165
1978-1981
4890460 and up
39590
82200
31160
N/A
-
888
1971-1977
3106717 and up
39590
82200
31160
N/A
86712
888
1974-1977
3106717 and up
39590
82200
31160
N/A
-
225/233
1974-1977
3856268 and up
39590
82200
31160
N/A
86712
225/233
1974-1977
3856268 and up
39590
82200
31160
N/A
86712
898/228
1977-1982
4782330-6225576
39590
82200
31160
N/A
86712
250/260
1977-1982
4791300-6225576
39590
82200
31160
N/A
86712
R, MR, Alpha One
1983-1990
6225577 and up
39622
82200
31160
86712
R, MR, Alpha One
1983-1990
6225577 and up
39622
82200
31160
86712
Alpha One SS
1986-1989
0A545004 and up
39622
82200
31160
86712
Alpha One SS
1986-1989
0A545004 and up
39622
82200
31160
86712
Alpha One Gen II
1991-2002
0D469859 and up
39622
82200
31160
21960
86711
Bravo I/II/III
1988-2002
0B664190 and up
39640
81270
N/A
21961
86711
Blackhawk
1994-1995
0F186717 and up
39640
81270
N/A
21961
86711
II
1962-1969
1474909-2671321
N/A
N/A
N/A
N/A
N/A
III
1968-1972
2373127-3002613
-
83445
N/A
N/A
-
215E/H
1970-1972
2782203-2915034
39600
N/A
N/A
N/A
-
TR/TRS
1973-1993
3377316 and up
3960
N/A
N/A
N/A
-

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