Sierra Marine Parts Catalog: Mercury Mariner
Figure
Figure
#
Description
Part #
O.E.M. #
Qty.
#
Description
Part #
O.E.M. #
Qty.
Gearcase 50-75 HP 3 Cyl 1979-2003
48
Flush plug Washer
12-492211
1
1
Gear Housing
--
1643-9539A1
1
49
Nut
11-34933
1
2
Dowel pin
--
17-85500
2
50
Nut
--
1134863
1
3
Shift Shaft
--
76163A1
1
51
Washer
--
12-65791
1
4
e-Clip
53-29641
1
52
Washer
--
12-45175
1
5
o-ring
25-21836
1
53
Shift Cam
--
76039
1
6
Shift Shaft Bushing
23-77631A2
1
54
Shim Set
--
15-38374A1
Ar
7
Seal
26-816461
1
55
Tapered roller Bearing
31-38356A1
1
8
Washer
12-77674
1
56
roller Bearing
31-21739
1
9
reverse Lock Base
--
78036
1
57
Forward Gear
--
43-55608A4
1
10
reverse Lock Cam
--
433081
1
58
Cam Follower
--
38441
1
11
Stud
--
16-33778
3
59
Slide
--
20843
1
12
Stud
--
16-57933
2
60
Spring
--
24-38114
1
13
pinion Nut
--
11-55910
1
61
Cross pin
--
17-38113
1
14
pinion Gear
--
43-98097
1
62
Clutch
--
52-92911
1
15
roller Bearing
--
31-62091
1
63
Spring
--
24-39845
1
16
Sleeve
--
88181
1
64
prop Shaft
--
44-75365
1
17
Shim Set
--
15-92881A1
Ar
65
reverse Gear
--
43-79158
1
18
Tapered Bearing
--
31-77420A1
1
66
Thrust Washer
--
12-32004
1
19
Drive Shaft
--
45-981801
1
67
Shim Set
--
15-20927A1
Ar
20
Spring
--
24-20254
1
68
Ball Bearing
30-20839T
1
21
pin
--
17-30545
1
69
o-ring
2531986
1
22
Gasket
27-19552
1
70
Bearing Carrier
--
69386A1
1
23
o-ring
25-26722
1
71
Key
--
28-30281
1
24
Seal
26-79831
1
72
roller Bearing
3121700
1
25
Seal
26-90562
1
73
Seal
26-69188,
26
Water pump Base
46-77177A1
1
26-619189
1
27 & 28 pin, Dowel
--
17-35973
1
74
Tab Washer
--
14-53012
1
29
Gasket
27-19553
1
75
Cover Nut
--
11-87763
1
30
Face plate
54705
1
76
Thrust Hub
73345A1
1
31
Key
--
28-56662
1
77
Thrust Hub
14-76281
1
32
Gasket
27-19551
1
78
Tab Washer
14-76281
1
33
Impeller
47-89983
1
79
Nut
11-69578A
1
34
Insert
48753
1
80
Gear Housing Seal Kit
26-79831A1
1
35
Water pump body
46-77822A1
1
81
Water pump repair Kit
46-77177A3
1
36
Nylon Washer
--
12-38453
1
37
Seal
--
26-38452
1
38
Slinger
--
25-20273
1
39
Washer
12-29245
3
40
Nut
--
11-13438
3
41
Trim Tab
31640A1
1
42
Screw
--
10-66024
1
43
Support plate
--
92815
1
44
exhaust Tube Seal
37721
1
45
Drain plug
10-79953
2
46
Washer
12-19183
2
47
Flush plug
--
19-48750
1
Ar
As required
369