| Item | Part No. | Part Name | Qty | Serial No. |
| 20B-43-25100 | VALVE ASS'Y | 1501- | ||
| 1 | \6\ | BODY | 1501- | |
| 2 | \6\ | PISTON | 1501- | |
| 3 | 20B-43-25280 | O-RING | 1501- | |
| 4 | 07001-03025 | RING | 1501- | |
| 5 | 20B-43-25390 | PLUG | 1501- | |
| 6 | 20B-43-25180 | GASKET | 1501- | |
| 7 | 04260-00793 | BALL | 1501- | |
| 8 | 195-15-15680 | SPRING | 1501- | |
| 9 | 20B-43-25140 | NIPPLE | 1501- | |
| 10 | 20B-43-25160 | GASKET | 1501- | |
| 11 | 20B-43-25120 | PLUG | 1501- | |
| 12 | 20B-43-25220 | BOLT | 1501- | |
| 13 | 07000-12010 | O-RING | 1501- | |
| 14 | 07001-02010 | RING | 1501- | |
| 15 | 01583-02012 | NUT | 1501- | |
| 16 | 20B-43-25150 | NIPPLE | 1501- | |
| 17 | 20B-43-25170 | GASKET | 1501- |