The Wacker Neuson Diaphragm is a genuine OEM diaphragm designed for PDT2A, PDT2, and PDI2A(I) series diaphragm pumps. As a direct Wacker Neuson OEM component, part is manufactured to the exact material and dimensional specifications required for proper pump operation. Fitment has been verified across the PDT2A, PDT2, and PDI2A(I) models, so you can order with confidence knowing this is the correct part for your pump. Keep a spare on hand — diaphragm replacement is one of the most common service intervals on this pump family.
Key Features
- OEM Material Integrity — Produced to Wacker Neuson's exact compound and thickness specification, ensuring the diaphragm flexes and seals as intended under pump operating pressures.
- Drop-In Service Replacement — Engineered to seat and seal correctly in the pump housing without modification, matching the bolt pattern and profile of the original.
- Confirmed Fitment — Directly compatible with PDT2A, PDT2, and PDI2A(I) diaphragm pumps; verify your model number before ordering.
- Sustained Flow Performance — A sound diaphragm maintains consistent pumping pressure and volume; a cracked or fatigued diaphragm causes loss of prime, reduced output, and fluid bypass.
- Fluid Containment Safety — In diaphragm pumps handling wastewater or chemicals, a failed diaphragm can allow fluid to reach internal mechanical components, causing secondary damage and potential operator exposure.
The diaphragm is the core pumping element in a diaphragm-style pump — it flexes back and forth to draw fluid in through the inlet valve and push it out through the discharge valve. This mechanical flexing creates the suction and pressure that moves liquid through the pump without the fluid ever contacting the drive mechanism. Over time, repeated cycling causes the diaphragm material to fatigue, crack, or lose elasticity, resulting in loss of suction, reduced output, or complete pump failure. Replacing the diaphragm at the first sign of performance drop restores the pump to full capacity and prevents further internal damage.
Part Details
| Part Number | 5000180239 |
|---|---|
| Old Part Number | 0180239 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Diaphragm |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PDT2A | PDT2A | 5000620769 |
| PDT2 Pump, Diaphragm | PDT2 | 5000620770 |
| PDI2A(I) | PDI2A(I) | 5000620772 |
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.
Wacker Neuson
2" Pump Diaphragm & Flapper Kit | Wacker PDT2, PDT2A, PDI2A | 0089595, 0074410, 5000089595, 5000074410
Wacker Neuson