The Wacker Neuson Valve Spring is a genuine OEM component designed for the PG1 Dewatering Pump. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original valve spring fitted at the factory, ensuring a consistent, accurate replacement every time. If your PG1 pump is showing signs of reduced flow, pressure loss, or valve chatter, the Valve Spring is the correct service part to restore proper operation.
Key Features
- OEM Spring Rate Accuracy — Manufactured to the precise tension and load rating of the original, so the valve opens and closes at the correct pressure — critical for maintaining pump efficiency and consistent fluid delivery.
- Drop-In Replacement — Engineered to seat directly into the original valve assembly on the PG1, with no reshaping, shimming, or modification needed to achieve correct fitment.
- Compatible with PG1 Dewatering Pump — Verified fitment for the Wacker Neuson PG1 pump series, making part selection straightforward for service technicians and operators alike.
- Restores Full Valve Function — A fatigued or broken valve spring causes erratic valve timing and pressure drop across the pump. Replacing it with a fresh OEM unit brings discharge performance back to specification.
- Genuine Wacker Neuson Part — Backed by Wacker Neuson's OEM quality standards, this spring is made from the same material grade and to the same dimensional tolerances as the part it replaces.
A valve spring holds the pump valve firmly against its seat and controls the precise moment the valve opens and closes in response to fluid pressure. When the spring is functioning correctly, the pump delivers steady, efficient flow with minimal pressure fluctuation. As a valve spring fatigues or breaks, the valve begins to flutter or fail to seal properly, leading to a noticeable drop in discharge pressure, backflow, and accelerated wear on surrounding valve components.
Part Details
| Part Number | 5100031536 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve Spring |
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.