| AZ2203100043 Range gear auxiliary box assembly |
| Number | Material Encoding | Name | Quantity |
| 1 | WG9003321118 | cylindrical roller 11X18Ⅲb GB4661 | 120 |
| 2 | Q5280630 | Elastic cylindrical pin | 5 |
| 3 | Q5280430 | Elastic cylindrical pin | 5 |
| 4 | WG2212100001 | Planetary shaft | 5 |
| 5 | WG9003801045 | Q1841240TF2 Pre-coated thread locking glue | 9 |
| 6 | WG2229100002 | Torque sleeve | 9 |
| 7 | WG2229100005 | Sun gear gasket (Front) | 1 |
| 8 | WG9003326020 | Antifriction bearing 6020 GB / T276 | 1 |
| 9 | WG2229100167 | Cover plate gasket | 1 |
| 10 | AZ2203100131 | Sun gear and sleeve assembly | 1 |
| 11 | WG2229100006 | Sun gear gasket (Rear) | 1 |
| 12 | WG9003991056 | Elastic snap ring for hole | 1 |
| 13 | WG9003326322 | Rolling bearing 63 / 22 GB / T276 | 1 |
| 15 | WG2229100022 | Shift fork centering block | 2 |
| 16 | WG9003990024 | Waveform elastic washer | 2 |
| 17 | WG2229100043 | Shift fork support pin | 2 |
| 19 | WG9003070800 | O-ring 18000800 GB3452.1 | 1 |
| 19 | WG9003070800 | O-ring 18000800 GB3452.1 | 1 |
| 21 | WG2229020002 | Pushing block outer spring | 9 |
| 23 | WG9003801055 | Glued combination bolt Q1421055 | 7 |
| 24 | WG2222100023 | Output shaft end cover (Double oil seal) | 1 |
| 25 | WG2229020003 | Pushing block inner spring | 9 |
| 26 | WG2229020001 | Synchronous pushing block | 9 |
| 27 | WG2229100032 | Spacer bushing | 1 |
| 28 | WG9003991130 | Elastic snap ring for shaft | 1 |
| 29 | WG2203100006 | High-gear tapered hub assembly | 1 |
| 30 | WG2203100007 | Guide ring assembly | 1 |
| 31 | WG9003326218 | Antifriction bearing 6218 GB / T276 | 1 |
| 32 | AZ2208100003 | Adjusting gasket unit | 1 |
| 33 | WG2210100174 | Sensor gear ring | 1 |
| 34 | WG9003071105 | Combination frame oil seal (Inner oil seal , Outer oil seal) | 1 |
| 35 | WG2210100018 | Output flange Φ180 End-face tooth | 1 |
| 36 | WG2229100072 | Pressure plate | 1 |
| 37 | WG2229100073 | bolt | 1 |
| 38 | WG2220100008 | Transmission rear housing | 1 |
| 39 | WG2222100009 | Range gear cylinder | 1 |
| 40 | WG2210100109 | Range gear synchronizer ring | 2 |
| 41 | WG2203100005 | Low-gear tapered hub assembly | 1 |
| 42 | WG2229100125 | Flattened round wire snap ring for hole (For inner gear ring) | 1 |
| 43 | WG2210100005 | Internally toothed annulus | 1 |
| 44 | WG9003801065 | Glued combination bolt Q1421065 | 4 |
| 45 | WG9003801056 | Glued bolt Q170B1055 | 1 |
| 46 | Q40310 | Spring washer | 1 |
| 48 | WG2214100001 | Range gear shift fork | 1 |
| 49 | WG2229100141 | Rear end cover gasket of output shaft | 1 |
| 50 | WG2210100059 | Range gear synchronous sliding sleeve | 1 |
| 51 | WG2210100007 | Range-gear synchronous gear block | 1 |
| 52 | WG2214100002 | Range gear shift fork shaft | 1 |
| 53 | WG9003321820 | Antifriction bearing 61820 GB / T276 | 1 |
| 54 | WG9003991125 | Flattened round wire snap ring for hole | 1 |
| 55 | WG2210100006 | Gear ring bracket | 1 |
| 56 | AZ2203100002 | Planetary carrier assembly | 1 |
| 57 | AZ9003870016 | Hexagon nut M16×1.5 | 1 |
| 58 | WG2229100040 | Range gear piston O-ring | 2 |
| 59 | WG2229100189 | Range gear cylinder paper washer | 1 |
| 60 | WG9003071700 | O-ring 26500170 GB3452.1 | 1 |
| 61 | WG2229100039 | Range gear piston | 1 |
| 62 | WG2229230010 | Inner hole sealing ring of split gear rear housing | 2 |
| 63 | WG2229100008 | Planetary gear gasket | 10 |
| 64 | WG2229100007 | Roller spacing piece | 15 |
| 65 | WG2210100004 | Planetary wheel | 5 |
