The Wacker Neuson 5100031957 Flapper Valve Gasket is a genuine OEM component designed for the PG1 Dewatering Pump. As a factory-sourced part, it is manufactured to the exact tolerances required to maintain a proper seal within the pump's valve assembly. This gasket matches the original specification, ensuring it seats correctly against the flapper valve without modification. If you're servicing a PG1 Dewatering Pump, part number 5100031957 is the correct OEM replacement to restore full pump integrity.
Key Features
- OEM-Grade Sealing Material — Manufactured to the exact material and compression specification of the original gasket, ensuring consistent valve sealing under continuous pump operation.
- Direct Drop-In Fit — Engineered to seat flush against the flapper valve housing in the PG1 Dewatering Pump, with no trimming or reshaping required during installation.
- Correct Fitment for the PG1 Dewatering Pump — Sourced directly for the PG1 series; verify part number 5100031957 against your machine's parts diagram before ordering.
- Restores Full Pump Efficiency — A degraded or failed flapper valve gasket allows fluid bypass and pressure loss; replacing it with this OEM part brings suction and discharge performance back to spec.
- Fuel and Fluid System Integrity — A correctly sealed flapper valve prevents unintended fluid migration within the pump body, protecting downstream components and supporting safe, consistent operation.
The flapper valve gasket creates the sealing interface between the flapper valve and its mating surface inside the pump's valve chamber. It prevents fluid from bypassing the valve during the pump's suction and discharge cycle, which is essential for maintaining consistent flow and pressure output. When this gasket deteriorates, cracks, or loses compression, the valve can no longer seat properly, resulting in reduced pumping efficiency, internal leakage, and potential loss of prime — all of which shorten pump service life and interrupt dewatering operations.
Part Details
| Part Number | 5100031957 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flapper Valve Gasket |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Dewatering Pump | PG1 | 5100031509 |
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.
