| Item | Part No. | Part Name | Qty | Serial No. |
| (20G-22-31001) | AXLE ASSEMBLY, REAR | H55051- | ||
| 20G-23-31890 | BRAKE ASSEMBLY | H55051- | ||
| 1 | 20G-23-31910 | PISTON | H55051- | |
| 2 | 20G-23-31920 | BODY, INNER | H55051- | |
| 3 | 20K-23-31880 | WASHER, THRUST | H55051- | |
| 4 | 20K-23-31890 | DISC, OUTER | H55051- | |
| 5 | 20K-23-32210 | DISC, INNER | H55051- | |
| 6 | 20K-23-31920 | SCREW | H55051- | |
| 7 | 20K-23-31930 | CIRCLIP | H55051- | |
| 8 | 20K-23-32220 | PISTON GASKET | H55051- | |
| 9 | 20K-23-32230 | PISTON GASKET | H55051- | |
| 10 | 20G-23-31950 | O-RING | H55051- | |
| 11 | 20K-14-32610 | SPRING | H55051- |