Page 355 - 2021 Sierra Catalog

Figure
# Description
Gearcase 50-75 HP 3
1 Gear Housing
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
Tube Water
Grommet
Housing, Water Pump
Tube, Extension
O-Ring
Bolt, Water Pump Housing
O-Ring
Insert, Water Pump Housing
Impeller
Key, Water Pump
Bushing
O-Ring
Seal, Rubber
Plate, Wear
Gasket, Water Pump
Drive Shaft (15”)
Drive Shaft (20”)
Seal Drive Shaft (upper)
Seal Drive Shaft (lower)
Bearing, Driveshaft
Collar, Housing
Bearing, Pinion
Nut, Housing
Washer, Locking
Bushing, Housing Alignment
Stud
Connector, Shift
Shift Rod
Keeper, Nylon Shift
Nut, Shiftshaft Retaining
Bushing
O-Ring
O-Ring
Washer, Expanding
Anode Kit
Lockwasher
Bolt, Anode Reataining
Bolt, Trim Tab Retaining
Trim Tab
Bolt, Housing Retaining
Gasket, Drain Plug
Plug, Drain
Seal
Pin, Shift Lever Pivot
Screen, Water Inlet
Part # O.E.M. # Qty.
Cyl 1979-2003
— 434030 1
—
18-3329
18-3367
—
18-7105
—
18-7146
18-3358
18-3051
18-3295
—
18-7100
18-2539
—
18-0124
—
—
18-2065
18-2033
—
—
—
—
—
—
—
—
—
—
—
—
18-7180
18-7100
18-0189
—
—
—
—
—
—
18-4248
18-2387
18-7475
—
—
395339
302497
393632
326692
311338
328725
554545
328751
395289
344470
328754
301877
328753
328753
325537
341635
341636
332261
321938
386473
322018
437288
306422
301250
319785
320173
325624
331479
325625
331465
326361
303347
301877
321738
434029
304454
333677
329217
336203
328333
311598
307551
332584
308376
336202, 336206
1
1
1
1
2
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
4
2
2
1
1
2
Figure #
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
Description
Screw, Screen Retaining
Washer, Thrust
Bearing, Thrust
Washer, Thrust
Gear, Pinion
Bearing, Forward Gear
Gear, Forward
Clutch Sliding
Spring, Detent
Ball, Detent
Lever Shifter
Cradle, Sliding Clutch
Pin, Shift
Cotterpin, Shift Lever
Yoke & Connector Assy.
Shaft, Propeller
Gear, Reverse
Bushing, Reverse Gear
Plate, Retainer
Ring, Retaining
Washer, Forward Gear Thrust
Bearing, Propshaft
O-Ring
Seal
Bolt, Carrier Retaining
Carrier, Bearing
Seal, Propshaft
Spacer, Prop
Spacer, Prop
Prop Nut
Cotter Pin, Prop Nut
Water Pump Kit
Gear Housing Seal Kit
Part #
—
—
—
—
18-1288
—
18-1287
18-1290
—
18-2243
—
—
—
—
—
—
18-1289
—
—
—
—
—
18-7108
18-7475
—
—
18-2026
18-4229
18-4232
18-3707
18-3743
18-3382
18-2658
O.E.M. #
325539
327716
388027
330441
328313
386186
392475
337020
327070
316506
337019
438311
302504
303049
390023
439143
327655
319635
319746
319747
319684
437288
338518
332584
319743
433428
321453
319890
323943
319891
320785
393639
396351
Qty.
2
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
2
1
2
2
1
2
1
1
1
1
1
1
337
OUTBOARD — JOHNSON/EVINRUDE (OMC/BRP) - Gearcase 20, 25, 30, 35 HP 1984-2002