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Sierra Marine Parts Catalog: Mercruiser

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18-2167
18-2180
DRIvE SHAFT
DRIvE SHAFT
Replaces: 45-41939A1
Replaces: 45-42634
For all #1 units S/N 2791957 & above except MR/ALPHA Units or units which have been
For all MR/ALPHA Units & older units which have been
retro-fitted with MR/ALPHA lower units. Also for 165 (6 cyl.) S/N 2763442 & above.
retro-fitted with MR/ALPHA lower units.
18-2331
18-2261
DRIvE SHAFT
DRIvE SHAFT
Replaces: 45-853648
Replaces: 45-816919
For: Ratios 1.47, 1.62, 1.81 & 1.94.
All Alpha I Generation II Drives (with new style 18-3056 Impeller)
Fits: Gen II (1998 & up), (0L100040 & up)
For use with: 18-2400 Complete Lower Gear Case
Serial #D494569 & above.
18-2359
DRIvE SHAFT NUT SET
18-2346
Replaces: 12-92721 & 11-35921
18-3719
RETAINER NUT
Contains:
PINION NUT
18-3719 Pinion Nut
Replaces: 824519
Replaces: 11-35921
18-2343 Pinion Nut Washer
For: MR Alpha & Gen II
SHIFT SPOOL
ASSEMBLY APPLICATION
Model
Serial #
Part #
1A (EZ-Shift)
1776349 & UP
18-2196
1B (EZ-Shift)
1775193 & UP
18-2196
1C (EZ-Shift)
1777799 & UP
18-2196
18-2286
120/140
2062141-3780849
18-2196
Replaces: 19755A2
120/140
3780850 & UP
18-2286
160
2065190-2763441
18-2196
165
2763442-3780849
18-2196
165
3780850 & UP
18-2286
888
3106717-3784374
18-2196
888
3784375 & UP
18-2286
18-2196
898/228
4782330 & UP
18-2286
Replaces: 19755A4
225-S
3856268-4200499
18-2286
233
4200500 & UP
18-2286
470/485
4208730 & UP
18-2286
R/MR/Alpha One
6225377 & UP
18-2286
SHIFT SPOOL ASSEMBLIES
Alpha One (Gen II)
D494569 & UP
18-2286
18-2191
18-2342
CARRIER BEARING
18-3759
THRUST RING
Replaces: 73020A14
THRUST BEARING RING
Replaces: 681001
For: #1R/MR/Alpha I
723
Replaces: 35915
For: Housings with casting #73020C
For: MR/ ALPHA