The Wacker Neuson Volute is a genuine OEM component designed for the PG1 Dewatering Pump. Sourced directly from Wacker Neuson, this part meets the same standards as the original component fitted at the factory, ensuring a correct installation with no guesswork on fit or compatibility. If your pump has lost prime, is producing reduced flow, or is showing signs of wear in the pump housing, replacing the volute with the correct OEM part is the reliable path back to full performance.
Key Features
- OEM-Grade Housing Geometry — Manufactured to the exact internal profile required to maintain proper fluid velocity and pressure conversion within the pump.
- Direct Bolt-On Replacement — Matches the original mounting pattern and port dimensions of the PG1 Dewatering Pump for a straightforward swap during service.
- Confirmed Fitment for the PG1 Dewatering Pump — Verified against Wacker Neuson parts data for the PG1 series, so you can order with confidence.
- Restores Full Pump Output — A worn or cracked volute causes pressure loss and reduced flow rate; this replacement brings discharge performance back to original spec.
- Genuine Wacker Neuson Part — Carries the Wacker Neuson OEM designation, meaning it is the same component used in original production — not an approximation.
The volute is the curved outer casing that surrounds the impeller in a centrifugal pump. As the impeller spins and accelerates water outward, the volute's progressively widening channel converts that high-velocity flow into pressure, directing it toward the discharge port. A damaged or worn volute disrupts this conversion, causing the pump to lose efficiency, produce weak discharge pressure, or fail to move water effectively — making it one of the most performance-critical components in the pump assembly.
Part Details
| Part Number | 5100031991 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Volute |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Dewatering Pump | PG1 | 5100031509 |
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.