| Item | Part No. | Part Name | Qty | Serial No. |
| 20B-43-25300 | CYLINDER ASS'Y,PARKING BRAKE | 1501- | ||
| 1 | 20B-43-25310 | CYLINDER | 1501- | |
| 2 | 20B-43-25320 | PISTON | 1501- | |
| 3 | 07155-00615 | RING | 1501- | |
| 4 | 102-63-32372 | PACKING | 1501- | |
| 5 | 07160-00604 | RETAINER | 1501- | |
| 6 | 07168-00616 | STOPPER | 1501- | |
| 7 | 20B-43-25330 | SPRING | 1501- | |
| 8 | 20B-43-25340 | HEAD | 1501- | |
| 9 | 07006-00025 | PACKING | 1501- | |
| 10 | 07177-02512 | BUSHING | 1501- | |
| 11 | 07016-00256 | SEAL | 1501- | |
| 12 | 07000-02055 | O-RING | 1501- | |
| 13 | 01010-31240 | BOLT | 1501- | |
| 14 | 01016-31260 | BOLT | 1501- | |
| 15 | 01602-01236 | WASHER | 1501- | |
| 16 | 07042-20108 | PLUG | 1501- |