The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the PTS4V and PTK4 series 4-inch centrifugal trash pumps. As a direct OEM part, it is manufactured to the exact material compound and dimensional tolerances specified for these pumps, ensuring a proper seal without modification. Fitment covers multiple PTS4V configurations and the PTK4(I) pump kit, making this the correct replacement across a wide range of pump assemblies in this family. Keep a spare on hand — O-rings are a routine service item on any pump that sees regular use.
Key Features
- OEM Material Specification — Manufactured to the exact compound grade and cross-section dimensions Wacker Neuson specifies for this pump family, delivering the compression and chemical resistance needed in a high-flow trash pump environment.
- Drop-In Sealing Fit — Seats directly into the original groove geometry on PTS4V and PTK4 pump assemblies with no trimming or reshaping required.
- Broad PTS4V and PTK4 Coverage — Compatible across multiple PTS4V pump configurations and the PTK4(I) pump kit, consolidating a single part number for the full 4-inch centrifugal trash pump series.
- Leak Prevention Where It Counts — A correctly seated O-ring maintains the pressure boundary within the pump housing; a worn or damaged ring allows fluid bypass, reducing pump output and risking water damage to surrounding components.
- Fuel and Fluid System Safety — Proper O-ring integrity prevents uncontrolled fluid leakage at pump interfaces, supporting safe operation in demanding jobsite conditions.
An O-ring forms a compression seal between mating pump components, preventing fluid from bypassing the intended flow path. In a centrifugal trash pump like the PTS4V, this seal is critical to maintaining prime and sustaining discharge pressure — a failed or swollen ring allows water to escape the housing, causing loss of suction and reduced pump performance. Replacing a worn O-ring at the first sign of seepage is one of the lowest-cost, highest-impact maintenance steps you can perform on a pump.
Part Details
| Part Number | 5000030592 |
|---|---|
| Old Part Number | 0030592 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
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.
