The Wacker Neuson Volute is a genuine OEM component designed for the PTS4V and PTK4 series 4-inch centrifugal trash pumps. Sourced directly from Wacker Neuson, this part carries the same specifications as the original, ensuring a direct, bolt-in replacement for the pump housing assembly. Confirmed fitment spans multiple PTS4V configurations, including the PTS4V(I) variant, as well as the PTK4 pump kit series. When it comes to a structural wet-end component like the volute, using a genuine OEM part is the surest way to maintain proper hydraulic geometry and protect pump output.
Key Features
- Genuine OEM Hydraulic Integrity — Cast and machined to the original volute profile, preserving the precise internal geometry that governs flow velocity and pressure conversion in the pump.
- Direct Wet-End Replacement — Designed to mate with the existing impeller, wear plate, and pump casing interfaces on PTS4V and PTK4 series pumps without modification to mounting surfaces or bolt patterns.
- Broad PTS4V Series Fitment — Compatible across multiple PTS4V production variants and the PTK4 pump kit, covering a wide range of 4-inch centrifugal trash pump configurations in the Wacker Neuson lineup.
- Sustained Flow Performance — A correctly fitted volute channels high-velocity fluid from the impeller into usable discharge pressure; a cracked or eroded volute causes head loss, reduced flow rate, and excessive cavitation stress on surrounding components.
- OEM Part Number Assurance — Part number 5000030584 is verified against Wacker Neuson parts documentation, so you can order with confidence that this is the correct volute for your pump configuration.
The volute is the stationary spiral-shaped casing that surrounds the impeller inside a centrifugal pump. As the impeller spins and accelerates fluid outward, the volute's gradually widening passage converts that kinetic energy into discharge pressure, directing the flow efficiently toward the pump outlet. Because the volute defines the hydraulic relationship between the impeller and the discharge port, its internal profile must remain true to specification — erosion, cracking, or dimensional distortion from abrasive debris causes a measurable drop in pump output and can accelerate wear on the impeller and seal assembly. Replacing a damaged volute with a genuine OEM part restores the pump's rated discharge capacity and protects the remaining wet-end components.
Part Details
| Part Number | 5000030584 |
|---|---|
| Old Part Number | 0030584 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Volute |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 100mm/4in Centrifugal Trash Pu mp | PTS4V | 5000007691, 5000007683, 5000620971, 5100031221, 5100058545, 5100058546, 5100060386 |
| PTK4(I)-PUMP KIT | PTK4 | 5000007692 |
| PTS4V(I) Pump | PTS4V(I) | 5000620972 |
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.
