The Wacker Neuson Pressure Spring is a genuine OEM component designed for the PT2H series self-priming centrifugal trash pumps. As a direct factory replacement, it restores correct spring tension within the pump assembly, ensuring consistent valve actuation and fluid control during operation. This part is confirmed to fit the PT2H pump models, including the 50mm/2-inch centrifugal trash pump variants in that series.
Key Features
- Genuine OEM Spring Rate: — Manufactured to the exact tension specification required by the PT2H pump assembly, so valve response and seating pressure match original operating parameters.
- Direct Drop-In Replacement: — Engineered to the original dimensions and wire diameter, allowing straightforward installation into the existing pump valve housing without modification.
- Confirmed PT2H Fitment: — Verified for use across PT2H series trash pumps, including the 50mm/2-inch centrifugal trash pump configuration.
- Restores Full Pump Output: — A fatigued or broken pressure spring causes weak valve closure, leading to backflow, pressure loss, and reduced flow rate; replacing it brings the pump back to rated performance.
- Corrosion-Resistant Construction: — Built to withstand the wet, debris-laden environments typical of trash pump operation, maintaining consistent spring force over repeated duty cycles.
The pressure spring applies controlled force to a valve or actuator component within the pump, ensuring it opens under the correct pressure and returns to a fully closed position after each cycle. When this spring weakens or breaks, the valve can flutter or fail to seat properly, resulting in pressure drop, inconsistent priming, or backflow that reduces pumping efficiency. Replacing a worn pressure spring is a straightforward service step that restores the pump's ability to move high-volume water and solids reliably.
Part Details
| Part Number | 5000129505 |
|---|---|
| Old Part Number | 0129505 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pressure Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT2H Pump | PT2H | 5000009094, 5000009097, 5000009239 |
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.
