| Item | Part No. | Part Name | Qty | Serial No. |
| THE UCHIDA YUATSU PART NUMBER IS THAT UC IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| UC4020162421 | HD CONTROL | H60051- | ||
| 1 | (UC4020255367) | PISTON | H60051- | |
| 2 | UC1720106212 | COVER | H60051- | |
| 3 | UC1720106221 | COVER | H60051- | |
| 4 | UC1701574775 | NUT | H60051- | |
| 5 | UC1301586009 | BOLT | H60051- | |
| 6 | UC1300297002 | O-RING | H60051- | |
| 7 | UC1726008389 | RING | H60051- | |
| 8 | UC1726002703 | RING | H60051- |