| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 421-43-27401 | VALVE ASSEMBLY | H20051- | |
| 2 | 419-43-12310 | RETAINER | H20051- | |
| 3 | 419-43-12330 | SCREW | H20051- | |
| 4 | 419-43-12340 | NUT | H20051- | |
| 5 | 419-43-12350 | SHIM | H20051- | |
| 6 | 419-43-12380 | PLUG | H20051- | |
| 7 | 07000-F2018 | O-RING | H20051- | |
| 8 | 419-43-12410 | PLUG | H20051- | |
| 9 | 07000-22014 | O-RING | H20051- | |
| 10 | 419-43-12430 | O-RING | H20051- | |
| 11 | 421-43-27410 | RETAINER | H20051- | |
| 12 | 421-43-27420 | SPRING | H20051- | |
| 13 | 421-43-27430 | BALL | H20051- | |
| 14 | 421-43-27440 | SPRING | H20051- | |
| 15 | 421-43-27450 | SPRING | H20051- | |
| 16 | 421-43-27460 | VALVE ASSEMBLY | H20051- | |
| 17 | 421-43-27140 | RING | H20051- | |
| 18 | 421-43-27470 | O-RING | H20051- | |
| 19 | 421-43-27480 | O-RING | H20051- | |
| 20 | 421-43-27520 | FILTER | H20051- | |
| 21 | 421-43-27530 | RING | H20051- | |
| 22 | 421-43-27540 | BUSHING | H20051- | |
| 23 | 07000-12011 | O-RING | H20051- |