| Item | Part No. | Part Name | Qty | Serial No. |
| (363-17-31402) | PUMP ASS'Y,(A4VG28DA-931-0) | 21212- | ||
| (363-17-31401) | PUMP ASS'Y,(A4VG28DA-965-1) | 20642-21211 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1610-01A0A TO Y1610-07A0B . | ||||
| THE UCHIDA YUATSU KIKI PART NUMBER IS THAT UC IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| (UCBA041S9146-0) | PUMP ASS'Y,PISTON | 21212- | ||
| (UCB1043R9565-0) | PUMP ASS'Y,PISTON | 20642-21211 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1610-02A0A TO Y1610-06A0A . | ||||
| UC4100448139 | CONTROL VALVE ASS'Y | 20642- | ||
| UC4100357859 | VALVE ASS'Y | 20642- | ||
| 1 | (\7\UC4100372757) | BODY ASS'Y | 20642-21211 | |
| 2 | UC1701564934 | ORIFICE | 20642- | |
| 3 | 02890-01015 | O-RING | 20642- | |
| UC4704282659 | VALVE ASS'Y | 20642- | ||
| 4 | UC1701577398 | SOLENOID | 20642- | |
| 5 | UC1701577159 | BOLT | 21212- | |
| 5 | UC1301767007 | BOLT | 20642-21211 | |
| 6 | UC1302057008 | WASHER,SPRING | 20642- | |
| UC4100448083 | COVER ASS'Y | 20642- | ||
| 7 | UC1100355599 | COVER | 21212- | |
| 7 | UC4100372766 | COVER ASS'Y | 20642-21211 | |
| 8 | UC1100355508 | FILTER | 20642- | |
| 9 | UC1100350008 | SPACER | 20642- | |
| 10 | UC1100447982 | ORIFICE | 20642- | |
| 11 | UC4100104426 | PLUG | 20642- | |
| 12 | UC1704160049 | GASKET | 21212- | |
| 12 | UC1100356271 | GASKET | 20642-21211 | |
| 13 | UC1301765001 | BOLT | 20642- |