The Wacker Neuson Pump Casing is a genuine OEM component designed for the PST3 750 and PSTF3 750 series submersible pumps. As a direct OEM replacement, this casing is manufactured to the same specifications as the original, ensuring a correct fit within the pump assembly. It is verified for compatibility across multiple PST3 750 and PSTF3 750 configurations, including 110V and 220V/60Hz variants. Sourcing the genuine Wacker Neuson means you get a part that installs cleanly and restores full pump function without compromise.
Key Features
- OEM-Matched Housing Integrity — Manufactured to original tolerances, maintaining the precise internal geometry required for correct impeller clearance and efficient water flow in the PST3 750 and PSTF3 750 pumps.
- Direct Replacement Fit — Drops into the existing pump assembly using the original mounting points and sealing surfaces, with no reworking of surrounding components.
- Broad PST3 / PSTF3 Compatibility — Verified across multiple PST3 750 and PSTF3 750 submersible pump configurations, including 110V and 220V/60Hz models.
- Structural Protection for Internal Components — The pump casing shields the impeller and motor assembly from debris ingestion and mechanical damage; a cracked or compromised casing leads to rapid performance loss and potential motor failure.
- Fluid-Path Efficiency — A correctly sealed and intact casing maintains the pressure envelope around the impeller, preserving rated flow output and preventing recirculation losses inside the pump body.
The pump casing is the structural outer housing that encloses the impeller and directs water flow through the pump from the inlet to the discharge port. It forms the pressure boundary of the pump's wet end, and its internal geometry works in close tolerance with the impeller to generate the hydraulic pressure needed to lift and move water. When the casing cracks, warps, or becomes damaged — whether from impact, cavitation, or abrasive debris — water recirculates internally instead of being discharged, causing a sharp drop in flow rate and pump output. Replacing a worn or damaged casing restores the pressure envelope and returns the pump to its rated performance.
Part Details
| Part Number | 5000177026 |
|---|---|
| Old Part Number | 0177026 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pump Casing |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PST3 750 Sub. Pump, 220V/60hz, 1hp, 33' Cord, 4.7A | PST3750 | 5000620337, 5000620440, 5000620454, 5000620455, 5000620457 |
| PSTF3 750 Sub. Pump, 220V/60hz, 1hp, 33' Cord, 4.7A | PSTF3750 | 5000620338, 5000620441 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.