The Wacker Neuson Inlet Valve is a genuine OEM component designed for the PD3B 75mm/3in Diaphragm Pump. As a direct OEM replacement, this part is manufactured to the exact specifications required by the PD3B, ensuring proper seating, sealing, and fluid control within the pump assembly. Sourced directly from Wacker Neuson, the carries the same part number and build quality as the original valve installed at the factory.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the precise material hardness and seat geometry required for consistent, leak-free valve closure in the PD3B pump.
- Drop-In Fitment for the PD3B — Engineered to match the original valve's port dimensions and mounting interface, fitting directly into the existing pump housing without modification.
- Verified Compatibility — Confirmed fit for the PD3B 75mm/3in Diaphragm Pump (Machine No. 5000006802).
- Sustained Pump Output — A properly functioning inlet valve maintains the correct pressure differential needed for efficient fluid draw; a worn or failing valve causes loss of prime and reduced flow.
- Fluid System Safety — A correctly seated inlet valve prevents backflow and uncontrolled fluid migration, which is critical when pumping hazardous or abrasive liquids on the jobsite.
The inlet valve is a one-way check valve located on the suction side of a diaphragm pump. It opens to allow fluid to enter the pump chamber on the intake stroke and closes to prevent backflow when the diaphragm compresses. Without a properly functioning inlet valve, the pump loses its ability to draw and move fluid efficiently — resulting in weak prime, reduced flow rate, or complete loss of pumping action. Replacing a worn inlet valve with a genuine OEM part restores full pump performance and prevents costly secondary damage to the diaphragm and pump body.
Part Details
| Part Number | 5000084789 |
|---|---|
| Old Part Number | 0084789 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Inlet Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 75mm/3in Diaphragm Pump | PD3B | 5000006802 |
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.