Parts Diagram | ## | Part # | Description | Qty | Notes |
![1985 20 - J20ELCOS Gearcase parts diagram](/parts/outboard.motors/johnson/images/sm.1985-20-j20elcos-parts-catalog.gearcase-11.jpg) | 0393423 | 0393423 | Gear case assembly. not shown | 1 | |
1 | 0387023 | Bearing housing & seal | 1 | |
2 | 0321453 | Oil retainer | 2 | |
3 | 0376856 | Bearing assembly, propeller shaft | 2 | |
4 | 0328311 | Cradle, clutch dog | 1 | |
5 | 0319743 | Screw | 2 | |
6 | 0317178 | O-ring | 1 | |
7 | 0327655 | Gear, reverse | 1 | |
8 | 0390268 | Propeller shaft | 1 | |
9 | 0327070 | Spring, detent | 1 | |
10 | 0316506 | Ball, detent | 2 | |
11 | 0328318 | Shifter, clutch dog | 1 | |
12 | 0390023 | Shift yoke and connector | 1 | |
13 | 0308376 | Pivot pin, shifter lever | 1 | |
14 | 0307853 | Seal, pivot pin | 1 | |
15 | 0386186 | Roller bearing, fwd. gear | 1 | |
16 | 0328313 | Pinion, drive shaft | 1 | |
17 | 0307551 | Plug & washer | 2 | |
18 | 0311598 | Washer | 1 | |
19 | 0388027 | Thrust bearing, pinion | 1 | |
20 | 0393443 | Gear case, bearing & seal | 1 | |
21 | 0322018 | Housing, bearing | 1 | |
22 | 0386473 | Bearing assembly | 1 | |
23 | 0321928 | Seal assembly | 2 | |
24 | 0320173 | Stud | 1 | |
25 | 0326361 | Bushing, shift rod, lower | 1 | |
26 | 0325539 | Screw, screen to gear case | 4 | |
27 | 0321738 | Washer, shift rod bushing | 1 | |
28 | 0376856 | Bearing assembly | 2 | |
29 | 0328261 | Screen, intake | 2 | |
30 | 0303347 | O-ring, scraper | 1 | |
31 | 0330441 | Thrust washer, bearing | 1 | |
32 | 0327716 | Thrust washer | 1 | |
33 | 0301877 | O-ring, bushing | 1 | |
34 | 0319684 | Thrust washer | 1 | |
35 | 0303049 | Cotter pin | 1 | |
36 | 0302504 | Pin, shift lever | 1 | |
37 | 0319635 | Bushing, reverse gear | 1 | |
38 | 0319747 | Retaining ring | 1 | |
39 | 0319746 | Retainer plate, housing | 1 | |
40 | 0313893 | O-ring, bearing housing | 1 | |
41 | 0311338 | O-ring. also included in water pump repair kit 393630 5 inch longer parts | 2 | |
42 | 0328771 | Lever, shifting | 1 | |
43 | 0392475 | Gear & bushing assembly, fwd | 1 | |
44 | 0301877 | O-ring, impeller housing. also included in water pump repair kit 393630 | 1 | |
45 | 0554545 | O-ring, cup to impeller housing | 1 | |
46 | 0302497 | Grommet, water tube. also included in water pump repair kit 393630 | 1 | |
47 | 0318452 | Washer, impeller housing. screw s. also included in water pump repair kit 393630 | 6 | |
48 | 0328755 | Plate, impeller housing. also included in water pump repair kit 393630 | 1 | |
49 | 0325529 | Shift rod, lower | 1 | |
50 | 0328316 | Drive shaft | 1 | |
50 | 0328317 | Drive shaft, long. 5 inch longer parts | 1 | |
51 | 0395289 | Impeller assembly & key. also included in water pump repair kit 393630 | 1 | |
52 | 0330619 | Key, impeller. also included in water pump repair kit 393630 | 1 | |
53 | 0306470 | Lock washer. 5 inch longer parts | 1 | |
54 | 0306422 | Nut. 5 inch longer parts | 1 | |
55 | 0324960 | Screw, impeller housing. also included in water pump repair kit 393630 | 6 | |
56 | 0393632 | Impeller housing & bushing | 1 | |
57 | 0328754 | Bushing, impeller housing | 1 | |
58 | 0319785 | Bushing. 5 inch longer parts | 1 | |
59 | 0325537 | Gasket, plate to gear case. also included in water pump repair kit 393630 also included in gear case seal kit 396351 | 1 | |
60 | 0328753 | Seal, impeller housing. to plate | 1 | |
61 | 0328751 | Cup, impeller housing. also included in water pump repair kit 393630 | 1 | |
62 | 0319891 | Nut, propeller | 1 | |
63 | 0320785 | Cotter pin | 1 | |
64 | 0326692 | Spacer, impeller housing, Std | 1 | |
64 | 0326693 | Spacer, impeller housing, long | 1 | |
65 | 0319890 | Thrust bushing, propeller | 1 | |
66 | 0325624 | Connector, shift rod | 1 | |
67 | 0387320 | Propeller 11-1/4 x 7 | 1 | |
67 | 0391064 | Propeller 10 X 17 | 1 | |
67 | 0386637 | Propeller 10-1/2 x 11 | 1 | |
67 | 0386933 | Propeller 10 X 13 | 1 | |
67 | 0386317 | Propeller 11 X 9 | 1 | |
67 | 0390728 | Propeller 10- 1/2 x 11 sst | 1 | |
67 | 0390727 | Propeller 11 X 9 sst | 1 | |
67 | 0390380 | Propeller al 10 X 15 | 1 | |
67 | 0390729 | Propeller 10 X 13 sst | 1 | |
67 | 0390730 | Propeller 10 X 15 sst | 1 | |
67 | 0390731 | Propeller 10 X 17 sst | 1 | |
67 | 0395707 | Propeller | 1 | |
68 | 0319978 | Converging ring | 1 | |
69 | 0392881 | Bushing assembly propeller. sst | 1 | |
69 | 0386638 | Bushing assembly propeller. alum | 1 | |
70 | 0395339 | Water tube, Std | 1 | |
70 | 0395340 | Water tube, long. 5 inch longer parts | 1 | |
70a | 0330658 | Washer | 1 | |
71 | 0325625 | Keeper, shift rod, upper | 1 | |
72 | 0323943 | Spacer, propeller nut | 1 | |
74 | 0328333 | Screw, gear case to housing. 5 inch longer parts | 4 | |
0396707 | 0396707 | Extension kit assembly. not shown 5 inch longer parts | 1 | |
41 | 0311338 | O-ring. also included in water pump repair kit 393630 5 inch longer parts | 2 | |
0325541 | 0325541 | Shift rod, upper long. not shown 5 inch longer parts | 1 | |
50 | 0328317 | Drive shaft, long. 5 inch longer parts | 1 | |
53 | 0306470 | Lock washer. 5 inch longer parts | 1 | |
54 | 0306422 | Nut. 5 inch longer parts | 1 | |
58 | 0319785 | Bushing. 5 inch longer parts | 1 | |
60 | 0326693 | Spacer, housing. 5 inch longer parts | 1 | |
70 | 0395340 | Water tube, long. 5 inch longer parts | 1 | |
73 | 0392967 | Extension & stud. 5 inch longer parts | 1 | |
74 | 0328333 | Screw, gear case to housing. 5 inch longer parts | 4 | |
75 | 0320173 | Stud, gear case extension. 5 inch longer parts | 1 | |
76 | 0305283 | Screw, extension. 5 inch longer parts | 1 | |
0325975 | 0325975 | Rubber mount, lower. not shown 5 inch longer parts | 2 | |
0325974 | 0325974 | Rubber mount, upper. not shown 5 inch longer parts | 2 | |
77 | 0393509 | Water pump repair kit | 1 | |
77 | 0393630 | Water pump repair kit includes impeller housing | 1 | |
78 | 0173029 | Zinc anode kit | 1 | |
79 | 0123009 | Anode, gear case | 1 | |
80 | 0306643 | Screw anode | 2 | |
81 | 0304454 | Lock washer, anode | 2 | |
82 | 0393262 | Chrome pump kit | 1 | |
83 | 0396351 | Gear case seal kit | 1 | |