| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20U-43-21351 | VALVE ASS'Y,CONTROL | 8001-14992 | |
| THE NISINA KOGYO PART NUMBER IS THAT NY IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | \6\ | BODY ASS'Y | 8001-14992 | |
| 2 | NY05960-1060A | COVER | 8001-14992 | |
| 3 | NY83007-02060 | WASHER | 8001-14992 | |
| 4 | NY11028-10400 | SHIM, 0.2MM | 8001-14992 | |
| 5 | NY06322-1010A | SPRING | 8001-14992 | |
| 6 | NY06322-10400 | SPRING | 8001-14992 | |
| 7 | NY05960-10500 | SLEEVE | 8001-14992 | |
| 8 | NY81900-00032 | BOLT | 8001-14992 | |
| 9 | NY05960-00100 | PUSHER ASS'Y | 8001-14992 | |
| 10 | NY86710-01010 | O-RING | 8001-14992 | |
| 11 | NY00558-10800 | SHIM, 0.1MM | 8001-14992 | |
| 12 | NY00558-10900 | SHIM, 0.2MM | 8001-14992 | |
| 13 | NY86711-03024 | O-RING | 8001-14992 | |
| 14 | NY84204-21006 | PIN,SPRING | 8001-14992 | |
| 15 | NY81446-12020 | BOLT | 8001-14992 | |
| 16 | NY11028-1030A | CAM | 8001-14992 | |
| 17 | NY05960-1090B | PIN | 8001-14992 | |
| 18 | NY84215-00916 | PIN,SPLIT | 8001-14992 | |
| 19 | NY83017-02100 | WASHER | 8001-14992 | |
| 20 | NY05960-11000 | BOOT | 8001-14992 |