Parts Diagram | ## | Part # | Description | Qty | Notes |
| 0438045 | 0438045 | Gear case assembly, complete. not shown | 1 | |
1 | 0438048 | Gear case & bearing assembly | 1 | |
2 | 0387817 | Bearing, pinion | 1 | |
3 | 0338778 | Ring | 1 | |
4 | 0337061 | Screw, screens | 2 | |
5 | 0337778 | Screen, water intake | 2 | |
5 | 0339247 | Screen, high volume. optional | 2 | |
6 | 0437215 | Bearing housing & seal | 1 | |
7 | 0341280 | Seal, drive shaft | 1 | |
8 | 0389042 | Thrust bearing. assembly, fwd. gear | 1 | |
9 | 0317624 | Screw, housing to gear case | 4 | |
10 | 0389455 | Housing & bearing assembly | 1 | |
10b | 0331880 | Pin, housing | 1 | |
11 | 0323946 | Detent, shifter | 1 | |
12 | 0911962 | Spring, detent | 1 | |
13 | 0334163 | Cradle, shifter | 1 | |
14 | 0322938 | Shifter | 1 | |
15 | 0322941 | Shaft | 1 | |
16 | 0328825 | Pin, shift lever | 1 | |
17 | 0305123 | O-ring, propeller shaft housing | 2 | |
18 | 0435022 | Propeller shaft assembly | 1 | |
19 | 0333957 | Tab, retainer | 2 | |
20 | 0311538 | Roll pin, drive shaft | 1 | |
21 | 0338504 | Retainer, drive shaft | 1 | |
22 | 0335677 | Drive shaft, lower | 1 | |
23 | 0324670 | Gasket, shift rod cover | 1 | |
24 | 0438040 | Bearing housing seal assembly | 1 | |
25 | 0382407 | Needle bearing assembly | 1 | |
26 | 0436752 | Needle bearing assembly | 1 | |
27 | 0341281 | Seal | 1 | |
28 | 0341541 | Screw | 2 | |
29 | 0314728 | O-ring, drive shaft bearing housing | 1 | |
30 | 0314731 | Thrust washer, reverse gear | 1 | |
31 | 0314730 | Nut, pinion to drive shaft | 1 | |
32 | 0435020 | Gear & pinion assembly | 1 | |
33 | 0387656 | Thrust bearing, pinion | 1 | |
34 | 0327656 | Thrust washer, pinion | 1 | |
35 | 0336565 | Thrust washer, propeller shaft | 1 | |
36 | 0328743 | Washer, screw, tab | 2 | |
37 | 0336561 | Gear, reverse | 1 | |
38 | 0337774 | Shifter, clutch dog | 1 | |
39 | 0313448 | Pin, clutch dog | 1 | |
40 | 0324369 | Spring, clutch dog pin | 1 | |
41 | 0318544 | Plug, fill & drain | 2 | |
42 | 0311598 | Washer | 1 | |
43 | 0323362 | Shim, 0.003 in. 0, 07MM | | |
43 | 0323361 | Shim, 0.004 in. 0, 10MM | | |
43 | 0314745 | Shim, 0.005 in. 0, 12MM | | |
44 | 0327669 | Thrust washer, forward gear | 1 | |
45 | 0435482 | Cover & seal assembly | 1 | |
46 | 0318372 | O-ring, shift rod | 2 | |
47 | 0328702 | Washer, shift rod cover | 6 | |
48 | 0302325 | Screw, cover | 6 | |
49 | 0160084 | Ball, detent | 1 | |
50 | 0328096 | Screw, anode | 1 | |
51 | 0436745 | Anode | 1 | |
52 | 0431708 | Anode, bearing housing | 1 | |
53 | 0908158 | Screw, anode | 2 | |
54 | 0382408 | Thrust bearing, reverse gear | 1 | |
55 | 0436232 | Drive shaft, upper include #20 & 21. 20 in. 508MM transom models only | 1 | |
55 | 0436233 | Drive shaft, upper include #20 & 21. 25 in. 635MM transom models only | 1 | |
56 | 0329864 | Shift rod. 20 in. 508MM transom models only | 1 | |
56 | 0329865 | Shift rod. 25 in. 635MM transom models only | 1 | |
57 | 0302035 | O-ring, drive shaft to impeller. contents of water pump kit | 1 | |
58 | 0314008 | Grommet, water tube. contents of water pump kit | 1 | |
59 | 0338893 | Cover, impeller housing. contents of water pump kit | 1 | |
60 | 0338742 | Trim tab, gear case | 1 | |
61 | 0320943 | Grommet, impeller housing. contents of water pump kit | 1 | |
62 | 0338552 | Plate, impeller housing, Std. chrome plated | 1 | |
63 | 0338551 | Cup, impeller housing, Std. chrome plated | 1 | |
64 | 0306643 | Screw, cover to impeller. contents of water pump kit | 2 | |
65 | 0434153 | Kit, propeller parts | 1 | |
66 | 0320570 | Spacer, propeller nut | 1 | |
67 | 0398042 | Nut & keeper, propeller | 1 | |
68 | 0306394 | Cotter pin, propeller nut | 1 | |
69 | 0126870 | Thrust bushing, 3-BLADE | 1 | |
69 | 0126869 | Thrust bushing, 4-BLADE | 1 | |
70 | 0331998 | Screw, gear case to housing | 1 | |
71 | 0321008 | Grommet, exhaust housing. to shift rod. contents of water pump kit | 1 | |
72 | 0331999 | Screw, gear case to housing | 4 | |
73 | 0331353 | Seal, impeller housing plate. contents of water pump kit | 1 | |
74 | 0435821 | Impeller assembly. contents of water pump kit | 1 | |
75 | 0331107 | Cam, impeller. contents of water pump kit | 1 | |
76 | 0321122 | Spacer, shift rod. 25 in. 635MM transom models only | 1 | |
77 | 0313715 | Screw, trim tab | 1 | |
78 | 0330265 | Washer, screw, long | 1 | |
79 | 0338484 | Gasket, impeller housing. plate. contents of water pump kit | 1 | |
80 | 0330263 | Screw, gear case, rear | 1 | |
81 | 0331188 | O-ring. contents of water pump kit | 1 | |
82 | 0330266 | Washer, gear case | 5 | |
83 | 0435990 | Impeller housing. 20 in. 508MM transom models only contents of water pump kit | 1 | |
83 | 0435959 | Impeller housing. 25 in. 635MM transom models only contents of water pump kit | 1 | |
84 | 0302325 | Screw, impeller housing, 1 in. contents of water pump kit | 4 | |
85 | 0338601 | Grommet, sleeve. 25 in. 635MM transom models only contents of water pump kit | 1 | |
86 | 0338636 | Sleeve, water pump. 25 in. 635MM transom models only contents of water pump kit | 1 | |
87 | 0391201 | Propeller, 14 1/2 x 19, Std. refer to OMC genuine parts propeller chart | 1 | |
88 | 0332394 | Converging ring, 3-BLADE | 1 | |
89 | 0313926 | Sleeve, bushing | 1 | |
90 | 0387157 | Bushing assembly, propeller, 3-BLADE, alum | 1 | |
90 | 0175401 | Bushing assembly, propeller, 3-BLADE, sst | 1 | |
90 | 0431730 | Bushing assembly, propeller, 4-BLADE | 1 | |
91 | 0439141 | Gear case seal kit | 1 | |
92 | 0434421 | Water pump repair kit. 20 in. 508MM transom models only | 1 | |
92 | 0435929 | Water pump repair kit. 25 in. 635MM transom models only | 1 | |
93 | 0438493 | Gear set, high altitude, 1326 .50. optional | 1 | |