The Wacker Neuson Diaphragm is a genuine OEM Diaphragm designed for the PDT3A, PDI3A, PDI3A(I), PDT2A, and PDI2A(I) pump series. As a direct OEM replacement sourced through the original manufacturer, this part matches the exact material composition and dimensional tolerances required to restore proper pump operation. Confirm your model number against the fitment list below before ordering to ensure this is the correct part for your machine.
Key Features
- OEM-Grade Flexure Material — Manufactured to the same compound and thickness spec as the original, ensuring the diaphragm cycles correctly under pump pressure without premature cracking or fatigue.
- Drop-In Installation — Matches the original bolt pattern and sealing perimeter of the pump housing, so it seats and seals without modification to the pump body or hardware.
- Broad Pump Series Coverage — A single part number covers the PDT3A, PDI3A, PDI3A(I), PDT2A, and PDI2A(I) diaphragm pump models, consolidating your service parts inventory.
- Sustained Flow Performance — A healthy diaphragm maintains consistent discharge pressure and volume; a cracked or hardened one causes loss of prime, reduced output, and uneven pumping cycles.
- Fuel and Fluid Containment — In diaphragm pump applications handling fuel or chemical transfer, a correctly specified diaphragm is critical to preventing leaks and maintaining safe, contained fluid handling.
A diaphragm is the primary moving membrane inside a diaphragm pump, flexing back and forth to draw fluid in through the inlet valve and push it out through the discharge valve. It creates the pressure differential that moves liquid through the pump without the fluid ever contacting the drive mechanism. When the diaphragm becomes stiff, cracked, or perforated, the pump loses its ability to prime and maintain flow — replacing it promptly restores full pumping capacity.
Part Details
| Part Number | 5100075630 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Diaphragm |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PDT3A | PDT3A | 5100075507 |
| PDI3A | PDI3A | 5100075508 |
| PDI3A(I) PUMP DIAPHRAGM | PDI3A(I) | 5100075509 |
| PDT2A | PDT2A | 5100075510 |
| PDI2A(I) PUMP | PDI2A(I) | 5100075511 |
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.
