| Item | Part No. | Part Name | Qty | Serial No. |
| 363-17-31402 | PUMP ASS'Y,(A4VG28DA-931-0) | 21212- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1610-01A0B T0 Y1610-07A0B . | ||||
| THE UCHIDA YUATSU KIKI PART NUMBER IS THAT UC IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | UCBA041S9146-0 | PUMP ASS'Y,PISTON | 21212- | |
| 2 | UCH9118R7702-0 | PUMP ASS'Y,GEAR | 21212- | |
| 3 | UC1100444396 | ORIFICE | 21212- | |
| 4 | UC1100440064 | HARNESS | 21212- | |
| 5 | 01252-31025 | BOLT | 21212- | |
| 6 | \6\ | PLATE, NAME | 21212- | |
| 6 | \6\ | SCREW | 21212- | |
| 7 | UC1100599083 | PACKING | 21423- | |
| 7 | UC1100456106 | GASKET | 21212-21422 |