| Item | Part No. | Part Name | Qty | Serial No. |
| 361-17-21200 | PUMP ASS'Y,(A4VG28DA-987-0) | | 10222-10841 |
| | THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1610-01A0A T0 Y1610-07A0. | | |
| | THE UCHIDA YUATSU PART NUMBER IS THAT UC IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | | |
| 1 | UCB1043R9914-0 | PUMP ASS'Y,PISTON | | 10222-10841 |
| 2 | UCH9008R8646-0 | PUMP ASS'Y,GEAR | | 10001-10841 |
| 3 | 02890-01041 | O-RING | | 10001-10841 |
| 4 | 02891-02088 | O-RING | | 10001-10841 |
| 5 | 01252-30840 | BOLT | | 10001-10841 |
| 6 | UC1100127413 | COUPLING | | 10001-@ |
| 7 | UC1100127468 | RING,SNAP | | 10001-@ |
| 8 | (\7\UC1100343257) | ORIFICE | | 10001-@ |
| 9 | UC1100332349 | HARNESS | | 10001-10841 |
| 10 | \6\ | PLATE¤ NAME | | 10222-@ |
| \6\ | SCREW | | 10001-@ |
