The Wacker Neuson Exhaust Valve is a genuine OEM component designed for the PDT2B 50mm/2in Diaphragm Trash Pump series. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original valve installed at the factory. It is confirmed to fit PDT2B models, including units built under machine configurations and. When your exhaust valve wears or fails, replacing it with the correct OEM part keeps your pump cycling efficiently and prevents costly operational interruptions.
Key Features
- Genuine OEM Valve Integrity — Manufactured to Wacker Neuson's exact material and dimensional tolerances for the diaphragm pump exhaust circuit, ensuring consistent valve seating and sealing performance.
- Direct-Fit Replacement — Engineered to drop into the existing valve housing on PDT2B pumps with no reworking of surrounding components required.
- Confirmed PDT2B Fitment — Verified for the PDT2B 50mm/2in Diaphragm Trash Pump series, covering both 5000007612 and 5000007613 machine builds.
- Maintains Pump Cycle Efficiency — A correctly functioning exhaust valve allows the diaphragm to complete its full stroke, sustaining rated flow output and discharge pressure.
- Fuel and Air Circuit Safety — On diaphragm pumps, a compromised exhaust valve can cause improper pressure buildup within the valve chest; using the correct OEM replacement supports safe, controlled pump operation.
The exhaust valve in a diaphragm trash pump controls the release of fluid from the pump chamber on each outward stroke of the diaphragm. It works in tandem with the intake valve to create the one-way flow that moves water, slurry, or debris-laden fluids through the pump body and out the discharge port. When the exhaust valve degrades — through wear, chemical exposure, or debris damage — the pump loses prime, output pressure drops, or fluid backflows into the chamber, significantly reducing pumping efficiency. Replacing a worn exhaust valve with a genuine OEM part restores proper valve chest function and full pumping capacity.
Part Details
| Part Number | 5000020488 |
|---|---|
| Old Part Number | 0020488 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Exhaust Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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.
