The Wacker Neuson Seal is a genuine OEM component designed for the PT6Y and PT6YT series self-priming centrifugal trash pumps, including PT6YT, PT6Y-AU, PT6YT-IN, PT6Y-SA, and PT6Y EPA T4 variants. As a direct OEM replacement, this seal is sourced from Wacker Neuson and meets the same specifications as the original part installed at the factory. Confirm your machine's model and serial number against the fitment list before ordering to ensure compatibility across the PT6Y family.
Key Features
- OEM-Grade Sealing Material — Manufactured to the same material composition and compression tolerances as the original, ensuring a fluid-tight barrier under the demanding pressures of a 6-inch trash pump.
- Drop-In Replacement — Engineered to match the original mounting dimensions and seating profile, so the seal installs into the pump housing the same way the factory part does.
- Broad PT6Y Family Coverage — Fits PT6YT, PT6Y, PT6Y-AU, PT6YT-IN, PT6Y-SA, and PT6Y EPA T4 pump configurations, making it the correct choice across the full PT6Y lineup.
- Protects Pump Performance — A sound seal maintains prime and prevents fluid bypass, keeping discharge flow and pressure at rated output. A worn or failed seal leads to loss of prime, reduced flow, and potential pump damage.
- Genuine Wacker Neuson OEM Part — Backed by Wacker Neuson as an authorized replacement, so you know part number 1000143729 is the correct specification for this pump family.
A seal in a centrifugal trash pump forms a critical barrier between the rotating shaft and the pump casing, preventing fluid from escaping along the shaft and air from entering the system. When the seal is intact, the pump maintains the prime it needs to move high-volume slurry, debris-laden water, and other demanding fluids at full rated capacity. As the seal wears or fails, you may notice loss of prime, fluid weeping around the shaft, or a drop in discharge pressure — all signs that replacement is needed to restore the pump to proper working condition.
Part Details
| Part Number | 1000143729 |
|---|---|
| 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.
