The Wacker Neuson Shaft Seal is a genuine OEM component designed for the PTS4V and PTK4 series self-priming centrifugal trash pumps. As a direct OEM part, it meets the exact material and dimensional specifications set by Wacker Neuson, ensuring a proper seal at the pump shaft and preventing fluid from migrating past the rotating assembly. This shaft seal is confirmed to fit multiple PTS4V configurations as well as the PTK4 pump kit, making it the correct go-to replacement across this pump family.
Key Features
- OEM-Grade Seal Material — Manufactured to Wacker Neuson's original compound and compression specifications, providing consistent sealing performance under the fluid pressures and rotational speeds typical of 4-inch trash pump operation.
- Drop-In Shaft Replacement — Engineered to seat directly into the pump housing at the shaft bore, matching the original installation interface without machining or adaptation.
- Broad PTS4V and PTK4 Coverage — Verified fitment across multiple PTS4V pump configurations and the PTK4 pump kit, covering a wide range of serial-number variants within the 100mm/4-inch centrifugal trash pump family.
- Stops Shaft Leakage at the Source — A worn or degraded shaft seal allows water and debris-laden fluid to escape along the shaft, leading to pump inefficiency and potential damage to bearings and internal components; a fresh seal restores full containment.
- Fluid System Integrity — Correct sealing at the shaft is critical for maintaining prime and sustaining discharge pressure — replacing a failed seal promptly prevents cascading wear to adjacent pump components.
A shaft seal sits at the point where the rotating impeller shaft exits the pump casing, forming a dynamic barrier that keeps pumped fluid contained within the volute while allowing the shaft to spin freely. In trash pump applications, this seal is exposed to abrasive, debris-laden water, which accelerates wear over time. When the shaft seal fails, fluid bypasses the sealing surface, causing visible leakage at the shaft, a loss of prime, and reduced discharge flow — all signs that the seal needs immediate replacement to protect the rest of the pump assembly.
Part Details
| Part Number | 5000110444 |
|---|---|
| Old Part Number | 0110444 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Shaft Seal |
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.
