| Item | Part No. | Part Name | Qty | Serial No. |
| THE UCHIDA YUATSU PART NUMBER IS THAT UC IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| UC4803445499 | CHECK VALVE | H60051- | ||
| 1 | UC1006973554 | VALVE SEAT | H60051- | |
| 2 | UC1001811891 | POPPET | H60051- | |
| 3 | UC1001919353 | SPRING SEAT | H60051- | |
| 4 | UC1000131671 | SPRING | H60051- | |
| 5 | UC1000090992 | O-RING | H60051- | |
| 6 | UC1800131659 | BACK-UP RING | H60051- |