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 factory-sourced part, it meets the original material and dimensional specifications required to maintain a leak-free pump assembly. This O-Ring is confirmed to fit multiple PTS4V configurations, including the PTS4V(I) variant, as well as the PTK4(I) pump kit. Keep a spare on hand — O-Rings are a routine service item on high-cycle pump operations.
Key Features
- OEM-Correct Compound and Sizing — Manufactured to the original material grade and cross-section dimensions, ensuring proper compression and sealing performance in pump applications.
- Drop-In Seal Replacement — Seats directly into the existing groove without trimming or modification, maintaining the correct interference fit for a secure, leak-free connection.
- Broad PTS4V and PTK4 Coverage — Compatible across multiple PTS4V build variants and the PTK4(I) pump kit, making it a practical stock item for fleets running 4-inch Wacker Neuson trash pumps.
- Preserves Pump Prime and Flow Rate — A degraded or damaged O-Ring allows air ingestion or fluid bypass, causing the pump to lose prime or deliver reduced flow. A fresh OEM seal restores full pumping capacity.
- Fluid Containment Integrity — In pump service, a failed seal can allow process fluid or fuel-adjacent fluids to escape the housing — replacing this O-Ring at each service interval keeps the pump operating within spec.
An O-Ring is a circular elastomeric seal that sits in a machined groove between two mating surfaces, compressing to block the passage of liquid or air. In a centrifugal trash pump like the PTS4V, O-Rings are used at critical joint faces throughout the pump housing to maintain internal pressure and prevent fluid from bypassing the impeller or escaping the volute. When an O-Ring hardens, cracks, or takes a permanent set, the seal breaks down — leading to air leaks that kill the prime, visible fluid seepage around joints, or internal bypass that robs the pump of its rated flow capacity. Replacing a worn O-Ring promptly is one of the lowest-cost, highest-impact maintenance steps available on any pump.
Part Details
| Part Number | 5000030607 |
|---|---|
| Old Part Number | 0030607 |
| 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.
