Description
Replacement parts for Hitachi HPVO91DS/ES Hydraulic Pump — covering HPVO91DS/ES for Hitachi. Includes valve plates, drive shafts, pistons, servo pistons and rotors — every part in the list below, supplied individually or as a set. Send us your model or a photo of the nameplate and we confirm the exact parts before quoting.
| Pump series | Hitachi HPVO91DS/ES Hydraulic Pump |
| Models covered | HPVO91DS/ES for Hitachi |
| Fitment | For Hitachi |
| Parts in this range | 16 line items — see the parts list below |
| Manufacturer | Handok Hydraulic |
| Country of origin | South Korea |
Parts list — Hitachi HPVO91DS/ES Hydraulic Pump Parts
| Item | Part | Qty per unit | Note |
|---|---|---|---|
| 1 | Head Cover | 1 | |
| 2 | Servo Piston | 1 | |
| 3 | Servo Piston Pin | 1 | |
| 4-A | Valve Plate (ES-Type) | 1 | |
| 4-B | Valve Plate (DS-Type) | 1 | |
| 5 | Rotor | 1 | |
| 6 | Coil Spring | 1 | |
| 7 | Piston | 14 | |
| 8 | Center Pin | 2 | |
| 9 | Pin of Center Pin | 2 | |
| 10 | Holder of Center Pin | 1 | DS-TYPE |
| 11 | Ball of Center Pin | 1 | DS-TYPE |
| 12 | Drive Shaft (ES-Type) | 1 | |
| 13 | Drive Shaft (DS-Type) | 1 | |
| 14 | Bolt of Valve Plate | 1 | |
| 15 | Lock Nut | 2 |
Every part is verified against the manufacturer’s data before quoting. Photos of the actual parts are available on request.
