| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 17A-15-25131 | BODY | H20051- | |
| 2 | 07042-20108 | PLUG | H20051- | |
| 3 | 426-15-15820 | PLUG | H20051- | |
| 3B | 426-15-15820 | PLUG | H20051- | |
| 3A | 14X-15-15850 | PLUG | H20051- | |
| 4 | 07002-03034 | O-RING | H20051- | |
| 5 | 41E-15-15230 | VALVE | H20051- | |
| 6 | 426-15-15490 | VALVE | H20051- | |
| 7 | 198-15-15770 | SPRING | H20051- | |
| 8 | 426-15-15480 | VALVE | H20051- | |
| 9 | 198-15-15570 | SHIM, 0.5MM | H20051- | |
| 10 | 41E-15-16251 | SPRING | H20051- | |
| 11 | 426-15-16261 | SPRING | H20051- | |
| 12 | 22W-43-17330 | WASHER | H20051- | |
| 13 | 426-15-15810 | PLUG | H20051- | |
| 14 | 07002-03034 | O-RING | H20051- | |
| 15 | 12H-15-14130 | SPOOL | H20051- | |
| 16 | 104-15-25490 | VALVE | H20051- | |
| 17 | 125-15-15290 | SPRING | H20051- | |
| 18 | 104-15-25480 | VALVE | H20051- | |
| 19 | 14X-15-16210 | SPRING | H20051- | |
| 20 | 12H-15-14140 | GUIDE | H20051- | |
| 21 | 14X-15-15850 | PLUG | H20051- | |
| 22 | 07002-03034 | O-RING | H20051- | |
| 22A | 205-62-53391 | ELBOW | H20051- | |
| 22B | 07042-80108 | PLUG | H20051- | |
| 23 | 07000-73030 | O-RING | H20051- | |
| 24 | 01010-81065 | BOLT | H20051- | |
| 25 | 01643-31032 | WASHER | H20051- |