| Item | Part No. | Part Name | Qty | Serial No. |
| (421-U44-1200) | PUMP ASS'Y | 20001-. | ||
| 1 | 421-U44-1610 | MOTOR ASS'Y | 20001-. | |
| 1 | 421-U44-1930 | BRUSH | 20001-. | |
| 2 | 421-U44-1940 | RELAY ASS'Y | 20001-. | |
| 3 | 421-U44-1630 | TERMINAL | 20001-. | |
| 4 | 421-U44-1620 | CAP | 20001-. | |
| 5 | 421-U44-1760 | GEAR PUMP ASS'Y | 20001-. | |
| 6 | 421-U44-1770 | BOLT | 20001-. | |
| 7 | 421-U44-1780 | WASHER | 20001-. | |
| 8 | 421-U44-1790 | SEAL,OIL | 20001-. | |
| 9 | 421-U44-1810 | RING,SNAP | 20001-. | |
| 10 | 421-U44-1820 | PLUG | 20001-. | |
| 11 | 421-U44-1830 | POPPET | 20001-. | |
| 12 | 421-U44-1840 | SPRING | 20001-. | |
| 13 | 421-U44-1850 | SCREW | 20001-. | |
| 14 | 421-U44-1660 | NUT | 20001-. | |
| 15 | 421-U44-1870 | NUT,CAP | 20001-. | |
| 16 | 421-U44-1750 | O-RING | 20001-. | |
| 17 | 421-U44-1740 | O-RING | 20001-. | |
| 18 | 421-U44-1910 | COUPLING | 20001-. | |
| 19 | 421-U44-1660 | NUT | 20001-. | |
| 20 | 421-U44-1920 | WASHER,SPRING | 20001-. | |
| 21 | 421-U44-1670 | O-RING | 20001-. | |
| 22 | 421-U44-1640 | BOLT | 20001-. | |
| 23 | 421-U44-1650 | WASHER | 20001-. | |
| 421-U44-1680 | CHECK VALVE ASS'Y | 20001-. | ||
| 24 | 421-U44-1690 | BODY | 20001-. | |
| 25 | 421-U44-1730 | BALL | 20001-. | |
| 26 | 421-U44-1720 | SPRING | 20001-. | |
| 27 | 421-U44-1710 | RETAINER | 20001-. | |
| 28 | 421-U44-1740 | O-RING | 20001-. | |
| 29 | 421-U44-1750 | O-RING | 20001-. |
