| Item | Part No. | Part Name | Qty | Serial No. |
| (708-23-01070) | PUMP ASS'Y (HPV55+55) | 3501- | ||
| 708-23-07121 | SERVO VALVE ASS'Y,FRONT | 3501- | ||
| 1 | (708-23-15200) | SERVO VALVE SUB A.,FRONT | 3501- | |
| 2 | (708-23-07521) | VALVE ASS'Y,CO AND NC | 3501- | |
| 3 | (708-23-07720) | VALVE ASS'Y,T.V.C. | 3501- | |
| 4 | 07000-02011 | O-RING | 3501- | |
| 5 | 07000-02011 | O-RING | 3501- | |
| 6 | 07000-02018 | O-RING | 3501- | |
| 7 | 708-25-19160 | BOLT | 3501- | |
| 8 | 01602-20825 | WASHER,SPRING | 3501- | |
| 9 | 708-25-19130 | BOLT | 3501- | |
| 10 | 01602-20825 | WASHER,SPRING | 3501- | |
| 11 | 720-68-11920 | FILTER | 3501- | |
| 12 | 07000-12010 | O-RING | 3501- | |
| 13 | 07000-11009 | O-RING | 3501- | |
| 14 | 720-68-11920 | FILTER | 3501- | |
| 15 | 708-23-19130 | ORIFICE | 3501- | |
| 16 | 07000-12010 | O-RING | 3501- | |
| 17 | 07000-03048 | O-RING | 3501- | |
| 18 | 08036-21814 | CLIP | 3501- | |
| 19 | 01010-30812 | BOLT | 3501- | |
| 20 | 01643-30823 | WASHER | 3501- | |
| 21 | 07040-11409 | PLUG | 3501- | |
| 22 | 07002-01432 | O-RING | 3501- |