Hyster 4634665 - Pump - Hydraulic - Variable
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A hydraulic pump supplying flow to a Hyster lift truck circuit. This part number covers the Hydraulic - Variable configuration.
Key details
- Generates the flow that drives attachment functions
- Displacement, rotation and mounting are specific to the installation
- Cavitation and contamination are the common failure causes
- Confirm rotation direction before fitting
Specifications
| Part number | 4634665 |
| Component type | Hydraulic pump |
| Configuration | Hydraulic - Variable |
| Part type | OEM-grade aftermarket |
| Fits brand | Hyster |
| Category | Industrial Forklifts |
Where it is used
Components of this type are fitted to the hydraulic system on Hyster lift trucks. This is category-level context, not a fitment list — confirm the part number against your machine's model and serial number before ordering.
Service notes
Prime the pump before starting and confirm the inlet is unrestricted. Running a pump dry, even briefly, will damage it.
Fitment & availability
This is an OEM-grade aftermarket replacement manufactured to OE specification. It is cross-referenced to Hyster part number 4634665 for identification and is not supplied by the original equipment manufacturer.
Check the part number against your model and serial number before ordering. If this item is not showing as available, use Check Availability and our team will confirm lead time and fitment.