The Wacker Neuson 5000074410 is a genuine OEM Flapper Valve Gasket designed for the PDI2A, PDT2, PDT2A, and PDT2B series 50mm/2in diaphragm trash pumps. As a direct OEM replacement, this gasket is manufactured to the exact material and dimensional tolerances specified for these pumps, ensuring a proper seal within the flapper valve assembly. It fits multiple machine configurations across the PDI2 and PDT2 pump families, making it a dependable choice when servicing your Wacker Neuson diaphragm pump. Verify your model number against the PDI2A, PDT2, PDT2A, or PDT2B fitment list before ordering to confirm compatibility.
Key Features
- OEM Sealing Material — Manufactured to the precise compound and compression specification required for the flapper valve assembly, maintaining an airtight, fluid-tight seal under pumping pressure.
- Drop-In Valve Replacement — Sized and profiled to seat directly in the flapper valve housing with no trimming or modification, restoring the original seal geometry on reassembly.
- Broad PDI2 and PDT2 Fitment — Compatible with PDI2A, PDT2, PDT2A, and PDT2B 50mm/2in diaphragm trash pump models, covering a wide range of Wacker Neuson pump configurations.
- Restores Full Pumping Efficiency — A worn or cracked flapper valve gasket allows backflow past the valve, reducing prime retention and output volume; replacing it with part 5000074410 brings suction and discharge performance back to spec.
- Fuel and Fluid Resistance — Engineered for compatibility with the slurries, solids-laden water, and debris typically handled by diaphragm trash pumps, resisting degradation in demanding site conditions.
The flapper valve gasket seals the flapper valve within the pump's diaphragm chamber, preventing fluid from reversing direction during the suction and discharge strokes. In a diaphragm trash pump, the flapper valves open and close in sequence with each stroke of the diaphragm to move fluid through the pump body — the gasket maintains the valve's sealing surface so that each stroke produces maximum flow. When this gasket wears, cracks, or loses compression, the valve can no longer hold a proper seal, causing loss of prime, reduced output, and eventual inability to move fluid at all. Replacing the gasket promptly keeps the pump operating at full capacity and prevents further wear to surrounding valve components.
Part Details
| Part Number | 5000074410 |
|---|---|
| Old Part Number | 0074410 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flapper Valve Gasket |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 50mm/2in Inline Diaphragm Tras h Pump | PDI2A | 5000007624, 5000007625 |
| 50mm/2in Diaphragm Trash Pump | PDT2 | 5000009494, 5000007633 |
| 50mm/2in Diaphragm Trash Pump | PDT2A | 5000007610, 5000007611 |
| 50mm/2in Diaphragm Trash Pump | PDI2 | 5000009489 |
| 50mm/2in Diaphragm Trash Pump | PDT2B | 5000007612, 5000007613 |
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.
