Parts list:
| № | Number | Qty | Name | Options |
|---|---|---|---|---|
| 1 | F047363 | 16 | Lock Washer | |
| 2 | F053026 | 32 | SHIM | NLA; USE F075403 |
| 3 | F058488 | 16 | Gear | |
| 4 | F075403 | 16 | Needle Bearing | SUB FOR F053028 |
| 5 | F053027 | 8 | Shaft | |
| 6 | F053030 | 2 | Housing | |
| 7 | F053025 | 4 | Plate | |
| 8 | F053024 | 8 | Sleeve | |
| 9 | F053029 | 2 | Housing | |
| 10 | F040427 | 8 | Washer | |
| 11 | F053042 | 8 | Screw | |
| 12 | F047352 | 20 | Plug | |
| 13 | F047340 | 48 | Screw | |
| 14 | F053037 | 2 | BEARING | Used in LOK 121 |
| 14 | F065391 | 2 | Swing Bearing | Used in LOK 137 |
| 15 | 58M5575 | 20 | Lubrication Fitting | |
| 16 | F047366 | 1 | Dipstick | A1 LOK 121, A2 side from LOK 137/3 serial number 47- |
| 17 | F053019 | 1 | Fitting | A1 LOK 121, A2 side from LOK 137/3 serial number 47- |
| 18 | F018108 | 1 | Washer | A1 LOK 121, A2 side from LOK 137/3 serial number 47- |
| 19 | F053023 | 1 | Spacer | A1 LOK 121 |
| 20 | F047346 | 2 | O-Ring | |
| 21 | F047343 | 8 | Cap Screw | |
| 22 | F047349 | 8 | Washer | |
| 23 | F025332 | 1 | Plug | A1 LOK 121 |
| 24 | F018108 | 1 | Washer | A1 LOK 121 |
| 25 | F047339 | 32 | Screw | |
| 26 | F047349 | 32 | Washer | |
| 27 | F053022 | 1 | PLANETARY ASSEMBLY | To LOK 137/3 serial number -46 |
| 27 | F070786 | 1 | HOUSING | From LOK 137/3 serial number 47- |
| 28 | F009489 | 2 | Breather | |
| 29 | F025324 | 2 | Bolt | |
| 30 | F045032 | 2 | BRAKE CYLINDER | LOK 121 and LOK 122, Components on Separate Pages |
| 31 | F047342 | 6 | Self-Locking Screw | |
| 32 | F053018 | 6 | Lock Washer | |
| 33 | F047336 | 2 | Shaft | |
| 34 | F047345 | 2 | Seal | |
| 35 | F059122 | 2 | Washer | |
| 36 | F003376 | 2 | CIRCLIP | Unnecessary from LOK 121 serial number 25-, not used in LOK 137 |
| 37 | F053021 | 1 | PLANETARY ASSEMBLY | To LOK 137/3 serial number -46 |
| 37 | F070874 | 1 | Housing | From LOK 137/3 serial number 47- |
| 38 | F025304 | 1 | Breather | R1/2�? 0.3 bar, A2 LOK 121 |
| 39 | F040529 | 1 | Fitting | A2 LOK 121 |
| 40 | F047351 | 8 | Pin | |
| 41 | F047350 | 4 | Lock Washer | |
| 42 | F047367 | 12 | Plate | |
| 43 | F047356 | 2 | Disk Brake Caliper Assy | |
| 44 | F062284 | 6 | Brake Disk | A1 LOK 121 |
| 45 | F059123 | 2 | Seal | |
| 46 | F066373 | 1 | STUD | To LOK 137/7 serial number -407 |
| 46 | F074462 | 1 | Stud Kit | From LOK 137/7 serial number 408- |
| 47 | F072724 | 1 | SLEEVE | Used in LOK 137 |
| 48 | F057769 | 1 | PLANETARY ASSEMBLY | A1 LOK 121 |
| 48 | F057768 | 1 | PLANETARY ASSEMBLY | A2 LOK 121 |
