The Wacker Neuson 5000072351 is a genuine OEM Flapper Valve Gasket designed for the PT6LT and PT6LS series 6-inch centrifugal trash pumps, as well as the PTK6 Trash Pump. As a direct OEM replacement, the part is manufactured to the same specifications as the original part, ensuring a proper seal within the pump's valve assembly. This gasket is confirmed compatible across multiple PT6 configurations, including trailer-mounted, skid-mounted, and Tier 4 variants.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's original material and compression specifications, ensuring the flapper valve seats and seals correctly under pump operating pressures.
- Direct Drop-In Replacement — Engineered to match the original gasket profile exactly, so it installs into the flapper valve assembly without modification or rework.
- Broad PT6 Series Compatibility — Fits PT6LT, PT6LS, PT6LS(I), PT6LT(I), and PTK6 trash pump configurations, covering trailer-mounted, skid-mounted, and Tier 4 models.
- Prevents Bypass and Flow Loss — A failed or worn flapper valve gasket allows fluid to bypass the valve, reducing pump output and causing inefficient or incomplete priming. Replacing it restores full discharge performance.
The flapper valve gasket seals the interface between the flapper valve and its seat inside the pump's check valve or suction assembly. This seal is what allows the pump to build and hold prime by preventing fluid from flowing back through the valve when suction is applied. When the gasket deteriorates, cracks, or loses its compression, the valve can no longer seat cleanly — causing the pump to lose prime repeatedly, deliver reduced flow, or fail to self-prime altogether. Replacing a worn gasket is one of the most straightforward ways to restore a PT6 pump to full operational capacity.
Part Details
| Part Number | 5000072351 |
|---|---|
| Old Part Number | 0072351 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flapper Valve Gasket |
Compatibility & Fitment
| Name | Models | Machine Number |
|---|---|---|
| 150mm/6in Centrifugal Trash Pu mp Skid Mounted | PT6LS | 5000007174, 5200014741 |
| PT 6LS | PT6LS(I) | 5200017427, 5200012427 |
| PT6LT Pump w/Trailer | PT6LT | 5000007175, 5200014740 |
| 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.
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