The Wacker Neuson Volute Insert is a genuine OEM component designed for the PT3, PT3A, PT3H, and PT3V series 75mm/3-inch self-priming centrifugal trash pumps. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original component it replaces. The fits an extensive range of PT3-family pump configurations, covering multiple production series across PT3, PT3A, PT3H, and PT3V models. When the volute insert wears or cracks, restoring it with the correct OEM part ensures your pump returns to full hydraulic efficiency and flow performance.
Key Features
- OEM Hydraulic Geometry: — Manufactured to the original volute profile, preserving the precise flow path that governs pump output and efficiency in PT3-series trash pumps.
- Direct-Fit Replacement: — Drops into the pump housing the same way the factory part does — no trimming, reshaping, or adapter hardware needed.
- Broad PT3 Family Coverage: — Confirmed fitment across PT3, PT3A, PT3H, and PT3V pump variants, spanning a wide range of Wacker Neuson production series numbers.
- Restores Full Flow Performance: — A worn or damaged volute insert causes pressure loss and reduced discharge flow; replacing it brings the pump back to rated capacity.
- Genuine Wacker Neuson OEM Part: — Built to the same material and dimensional standards as the part originally installed at the factory, ensuring a service life consistent with the original.
The volute insert is the wear-surface component housed inside the pump casing that surrounds the impeller and directs the high-velocity fluid outward toward the discharge port. Its curved profile converts the kinetic energy generated by the spinning impeller into pressure, which is what drives fluid through the discharge hose. Because the volute insert is in constant contact with water, debris, and abrasive solids, it is one of the higher-wear components in a trash pump. When it erodes or cracks, the pump loses the tight clearance it needs to build pressure efficiently — resulting in reduced flow rates, poor priming, and in severe cases, complete loss of pumping capacity. Replacing the 5000119403 Volute Insert with the correct OEM part restores that clearance and gets the pump performing as intended.
Part Details
| Part Number | 5000119403 |
|---|---|
| Old Part Number | 0119403 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Volute Insert |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT3H Pump | PT3H | 5000009100, 5000009103, 5000009242, 5100014963, 5100014964 |
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000009098, 5000009101, 5000009240, 5000620800, 5100058535, 5100058536 |
| PT3 Pump | PT3 | 5000009321, 5000620726, 5000009322, 5000009323 |
| 75mm/3in Centrifugal Trash Pum p | PT3V | 5000009102, 5000009241 |
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.
