The Wacker Neuson Seal is a genuine OEM seal designed for the PT6Y and PT6YT series self-priming centrifugal trash pumps, including PT6Y EPA T4, PT6Y-AU, PT6YT-IN, and PT6Y-SA variants. As a direct OEM replacement, this seal is manufactured to the exact material and dimensional specifications Wacker Neuson requires to maintain pump integrity under demanding jobsite conditions. Correct sealing is critical in trash pump applications where fluid contact surfaces must hold under continuous pressure and abrasive media — this is the exact part specified for these machines. Verify your model number against the fitment list before ordering to ensure a correct match.
Key Features
- OEM Material Specification — Manufactured to Wacker Neuson's exact compound and dimensional spec, ensuring the seal performs correctly against the pump's contact surfaces without leakage or premature compression failure.
- Drop-In Replacement — Engineered to seat directly into the original seal position on PT6Y and PT6YT series pumps with no rework or machining required.
- Broad PT6Y Series Coverage — Fits PT6YT, PT6Y, PT6Y EPA T4, PT6Y-AU, PT6YT-IN, and PT6Y-SA configurations, covering a wide range of regional and emissions-spec variants within the 6-inch trash pump family.
- Maintains Pump Priming and Discharge Pressure — A properly functioning seal keeps the pump's internal fluid circuits isolated, sustaining the suction and discharge pressure needed to move high-volume debris-laden water effectively.
- Fluid Containment Compliance — In pump applications, a compromised seal allows fluid to escape the pump housing — posing a spill and slip hazard. Replacing a worn seal promptly restores safe, contained operation.
A seal in a self-priming trash pump serves as a barrier between the pump's internal fluid chambers and external components, preventing water and debris from escaping the housing and maintaining the pressure differential needed for the pump to prime and sustain flow. When a seal wears, cracks, or deforms, the pump may lose prime, deliver reduced discharge volume, or allow fluid to leak around the shaft or housing joints. Replacing a worn seal with the correct OEM part restores proper containment and keeps the pump operating at full rated capacity.
Part Details
| Part Number | 1000143731 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT6YT | PT6YT | 5100070966 |
| PUMP PT6Y-AU | PT6Y-AU | 5100076956 |
| PT6YT | PT6YT-IN | 5100077923 |
| PT6Y | PT6Y-SA | 5100070835 |
| PT6Y | PT6Y | 5100064168, 5100069617 |
| PT6Y | PT6Y EPA T4 | 5100073464 |
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.