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
49
Spring
--
24-30622
1
1
Gear Housing
--
1667-9011A73
1
50
Clutch
52-822539
1
2
Screw
--
10-8248327
4
51
Cross pin
17-30632
1
3
Washer
12-29245
4
52
Spring
24-30893
1
4
Insulator
18-0568
23-43045
4
53
prop Shaft
--
44-12238T
1
5
Water pump Housing
817275A2
1
54
reverse Gear
--
43-12635
1
6
Impeller
47-430262
1
55
o-ring
25-97386
1
7
Impeller Key
28-43037
1
56
Thrust Bearing
31-12576
1
8
Gasket
27-817277
1
57
Thrust Washer
12-12577
1
9
Face plate
817276
1
58
roller Bearing
31-12578
1
10
Gasket
27-430331
1
59
Bearing Carrier
--
12596A2
1
11
Screw
--
10-824832-6
6
60
Washer
--
12-70132
2
12
Washer
12-29245
6
61
Nut
--
11-401198
2
13
pump Base
--
43055A4
1
62
roller Bearing
31-30956
1
14
Seal
26-43035
1
63
Seal
26-76868
1
15
Seal
26-43036
1
64
Seal
26-70081
1
16
Gasket
27-430472
1
65
Thrust Washer
13191A1
1
17
Carrier w/Bearing
--
43040A1
1
66
Tab Washer
14-31210
1
18
Tube, oiler
--
43046
1
67
prop Nut
11-52707
1
19
Sleeve
--
42461A1
1
20
ring
--
42461A1
1
21
Drive Shaft
--
45-43031A1
1
22
Shim Assembly
--
15-44492A1
Ar
23
race (sold with #24)
31-42677A1
1
24
Bearing (sold with #23)
31-42677A1
1
25
pinion Gear
--
43-44484
1
26
pinion Nut
11-35921
1
27
Seal
26-8164641
1
28
Bushing Assembly
--
23-43052A4
1
29
Screw
--
10-824832-6
2
30
o-ring
25-45710
1
31
e-ring
53-29641
1
32
Shift Shaft
--
43048A1
1
33
Gasket
12-19183
3
34
plug
--
10-28653
1
35
plug
10-79953
1
36
plug
22-67892A1
1
37
Trim Tab
31640A1
1
38
Bolt, Anode Mounting
--
10-15942
1
39
Washer, Anode Mounting
12-45176
1
40
Shim Cam
--
76039
1
41
Shim Assembly
--
15-44491A1
Ar
42 & 43 Bearing & race
13-30894A1
1
44
roller Bearing
31-30895
1
45
Forward Gear
--
43-12634A2
1
46 & 47 Cam Follower Assembly
--
12239A1
1
48
Ball Bearing
--
30-44530
3
Ar
As required
371