Sierra Marine Parts Catalog
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OUTBOARD—MERCURY/MARINER-GearcaseAssembly
Figure
#
Description
Part #
O.E.M. #
Qty.
Figure
#
Description
Part #
O.E.M. #
Qty.
1
Gear Housing
~
1647-9148A65
1
2
Water Insert (Starboard)
~
66885
1
Water Insert (Port)
~
66884
1
3
Screw
10-76156
1
4
Drain Screw
22-67892A1
1
5
Washer
12-19183
2
6
Nut
11-45812
1
7
Dowel Pin
~
17-43044
2
8
Vent Screw
10-79953
1
9
Stud
~
16-78638
1
10
Stud
~
16-56297
1
11
Stud
~
16-30667
2
12
Stud
~
16-579201
2
13
Roller Bearing
~
31-35934A1
1
14
Pinion Gear
~
43-780811
1
15
Pinion Nut
11-35921
1
16
Speedometer Tube
~
22-85822A10
1
17
Shift Shaft
~
78902 2
1
18
E-Clip
53-29641
1
19
O-Ring
25-21836
1
20
Shift Shaft Bushing
23-77631A2
1
21
Seal
26-816461
1
22
Rubber Washer
12-77674
1
23
Sleeve
~
23-98621
1
24
Shim Assembly
15-57007A1
AR
25
Roller Bearing
31-53079A1
1
26
Roller Bearing
31-53079A1
1
27
Drive Shaft Assembly
~
45-98682A1
1
28
Spring
~
24-34576
1
29
Pin
~
17-30545
1
30
Gasket
27-856101
1
31
O-Ring
25-33145
1
32
Seal
26-89238
1
33
Seal
26-16977
1
34
Water Pump Base
46-96146A6
1
35
Gasket
27-856081
1
36
Face Plate
32435
1
37
Gasket
27-856091
1
38
Key
~
28-56654
1
39
Impeller
47-899842
1
40
Insert
48752
1
41
Water Pump Body
43-96148A1
1
42
Washer
12-29245
3
43
Nut
11-20361
2
44
Seal
26-38970
1
45
Guide Sleeve
23-29804
1
46
Washer
12-36001
1
47
Nut
11-45592
1
48
Slinger
25-30271
1
49
Washer
12-29245
3
50
Screw
~
10-96411
1
51
Trim Tab
3164A1
1
52
Screw
~
10-66024
1
53
Shift Cam
~
78956
1
54
Nut
11-34933
1
55
Washer
~
12-45176
2
56
Screw
~
10-65210
1
57
Cam Follower
~
89594A1
1
58
Actuator Rod
~
79911 1
1
59
Locating Pin
~
17-78906
1
60
Spring
~
24-749910
2
61
Washer
~
12-78910
1
62
Shim Assembly
15-47397A1
AR
63
Bearing
31-78172A1
1
64
Forward Gear
~
43-78082A3
1
65
Roller Bearing
31-73363
2
66
Clutch
~
52-823174
1
67
Detent Pin
~
17-78909
2
68
Cross Pin
~
17-78905
1
69
Retaining Spring
~
24-78962
2
70
Prop Shaft
44-94148
1
71
Reverse Gear
~
43-85462
1
72
Thrust Ring
~
68100 1
1
73
Ball Bearing
30-88957
1
74
O-Ring
25-31534
1
75
Bearing Carrier
43567T1
1
76
Key
~
28-30281
1
77
Roller Bearing
31-30956
1
78
Seal (Inner)
26-76868
1
79
Seal (Outer)
26-70081
1
80
Tab Washer
14-79447
1
81
Cover Nut
79448
1
82
Thrust Hub
13171
1
83
Spline Washer
12-31211A2
1
84
Tab Washer
14-31210
1
85
Prop Nut
11-52707
1
AR
As required