The Wacker Neuson Valve is a genuine OEM component designed for the PDT3A, PDI3A, PDT3, PD3B, and PDI3 series 75mm/3in diaphragm trash pumps. Sourced directly from Wacker Neuson, this valve meets the exact specifications required to maintain proper fluid flow and pump cycle performance across the full range of compatible models. Whether you're servicing a PDT3A, a PDI3A inline unit, or a PD3B diaphragm pump, part number is the correct OEM replacement to restore your equipment to operating condition.
Key Features
- Genuine OEM Valve Integrity — Manufactured to Wacker Neuson's exact flow and seating tolerances, ensuring correct check-valve action and consistent diaphragm pump cycling.
- Direct-Fit Replacement — Engineered to drop into the original valve seat position with no rework to the pump body or fluid passages.
- Broad Diaphragm Pump Compatibility — Confirmed fitment across PDT3A, PDI3A, PDT3, PD3B, and PDI3 75mm/3in diaphragm trash pump models.
- Sustains Pumping Efficiency — A properly functioning valve maintains the pressure differential that drives fluid through the pump; a worn or failed valve causes backflow, loss of prime, and reduced output.
- Fuel and Fluid System Compliance — Using the correct OEM valve material grade ensures compatibility with the pump's fluid path and prevents premature seal degradation from incompatible valve compounds.
The valve in a diaphragm trash pump acts as a one-way gate that controls the direction of fluid movement through the pump chamber. As the diaphragm flexes through each stroke, the valve opens to allow fluid in and closes to prevent it from flowing back, creating the pressure needed to move water and suspended solids through the discharge line. When the valve wears out or fails to seat correctly, the pump loses the ability to maintain prime, output volume drops sharply, and the diaphragm itself can be subjected to excess stress — making timely valve replacement critical to overall pump health.
Part Details
| Part Number | 5000051302 |
|---|---|
| Old Part Number | 0051302 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 75mm/3in Diaphragm Trash Pump | PDT3A | 5000007614, 5000007615, 5000007616 |
| 75mm/3in Inline Diaphragm Tras h Pump | PDI3A | 5000007628, 5000007629, 5000009407 |
| 75mm/3in Diaphragm Trash Pumps | PDT3 | 5000009495, 5000007619 |
| 75mm/3in Diaphragm Pump | PD3B | 5000006802 |
| 75mm/3in Diaphragm Trash Pump | PDI3 | 5000009491, 5000009492 |
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.
