| Item | Part No. | Part Name | Qty | Serial No. |
| (708-23-01070) | PUMP ASS'Y (HPV55+55) | 3501- | ||
| 708-23-14801 | VALVE ASS'Y | 3501- | ||
| 1 | 708-23-14810 | SLEEVE | 3501- | |
| 2 | 708-23-14820 | RING | 3501- | |
| 3 | 708-23-14830 | VALVE | 3501- | |
| 4 | 708-23-14850 | PISTON | 3501- | |
| 5 | 708-23-14840 | SPRING | 3501- | |
| 6 | 708-23-14860 | SCREW | 3501- | |
| 7 | 07002-02434 | O-RING | 3501- | |
| 8 | 706-73-75350 | NUT | 3501- | |
| 9 | 07000-02010 | O-RING | 3501- | |
| 10 | 700-22-11410 | O-RING | 3501- |