The Wacker Neuson is a genuine OEM Flapper Valve Gasket designed for the PT6LT and PT6LS series self-priming centrifugal trash pumps, including PT6LS(I), PT6LT(I), and PTK6 variants. As a factory-sourced component, the is manufactured to the exact material and dimensional specifications used in original production, ensuring a consistent, leak-free seal within the pump's valve assembly. This gasket is a direct service replacement for trailer-mounted, skid-mounted, and standard PT6 pump configurations across multiple model generations. If your pump is showing signs of pressure loss or valve leakage, replacing this gasket with the correct OEM part is the straightforward first step.
Key Features
- OEM Material Specification: — Manufactured to Wacker Neuson's original compound and thickness spec, delivering the correct compression and sealing properties for the PT6 flapper valve assembly.
- Drop-In Service Replacement: — Engineered to seat directly into the existing valve housing without trimming or reworking — reinstallation follows the same procedure as the factory-fitted part.
- Broad PT6 Family Coverage: — Fits PT6LT (trailer-mounted), PT6LS (skid-mounted), PT6LS(I), PT6LT(I), and PTK6 trash pump configurations across multiple production series.
- Restores Valve Sealing Integrity: — A compromised flapper valve gasket allows pressure to bleed past the valve, reducing priming efficiency and pump output. Replacing it with 5000072351 restores the valve's ability to hold prime and maintain discharge pressure.
- Fuel and Fluid System Compliance: — Correct gasket material matters in pump valve circuits — an incorrect or degraded gasket can allow back-leakage and prime loss under load. Using the OEM-specified part keeps the valve circuit operating as designed.
The flapper valve gasket seals the interface between the flapper valve and its seat within the pump's valve body, preventing fluid from bypassing the valve during the priming and pumping cycle. When the gasket is in good condition, the valve can open and close cleanly with each stroke, maintaining the pressure differential that allows the pump to self-prime and sustain flow. As the gasket wears, compresses, or deteriorates, the seal degrades — allowing fluid to back-flow past the valve, which results in poor priming, reduced discharge pressure, and in severe cases, an inability to prime at all. Replacing this gasket is a routine part of pump valve servicing and is one of the most cost-effective ways to restore full pump performance.
Part Details
| Part Number | 5000072351 |
|---|---|
| Old Part Number | 0072351 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flapper Valve Gasket |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT6LT Pump w/Trailer | PT6LT | 5000007175, 5200014740 |
| 150mm/6in Centrifugal Trash Pu mp Skid Mounted | PT6LS | 5000007174, 5200014741 |
| PT 6LS | PT6LS(I) | 5200017427, 5200012427 |
| Trash Pump | PT6LT(I) | 5100014076 |
| Trash Pump | PTK6 | 5200007830 |
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.
