| Item | Part No. | Part Name | Qty | Serial No. |
| 20B-60-21100 | STEERING PUMP ASS'Y | 1501- | ||
| 1 | \6\ | BODY | 1501- | |
| 2 | \6\ | COVER | 1501- | |
| 3 | \6\ | GEAR | 1501- | |
| 4 | \6\ | GEAR | 1501- | |
| 5 | \6\ | BUSHING | 1501- | |
| 6 | \6\ | BUSHING | 1501- | |
| 7 | 20B-60-18510 | O-RING | 1501- | |
| 8 | 20B-60-18520 | RING | 1501- | |
| 9 | 20B-60-18530 | RING | 1501- | |
| 10 | 20B-60-18540 | O-RING | 1501- | |
| 11 | 20B-60-18570 | SEAL | 1501- | |
| 12 | 20B-60-18580 | KEY | 1501- | |
| 13 | 20B-60-18560 | BOLT | 1501- |