The Wacker Neuson Pump Housing is a genuine OEM component designed for the PDT2A, PDT2, PDI2A(I), PDT3A, PDI3A, and PDI3A(I) diaphragm pump series. Sourced directly from Wacker Neuson, this part carries the same fit, form, and function as the housing installed at the factory. Confirmed fitment spans both 2-inch and 3-inch diaphragm pump models across multiple build variants, making the correct OEM choice for a wide range of Wacker Neuson portable diaphragm pump configurations.
Key Features
- Genuine OEM Construction: — Cast and machined to the exact wall thickness and port geometry required for consistent diaphragm pump performance — no guesswork on dimensional accuracy.
- Direct Housing Replacement: — Mounts to the existing pump deck and port connections on covered models without rework or adaptation to inlet and outlet fittings.
- Broad Diaphragm Pump Fitment: — Compatible with the PDT2A, PDT2, PDI2A(I), PDT3A, PDI3A, and PDI3A(I) series, covering both 2-inch and 3-inch discharge diaphragm pump variants.
- Structural Integrity Under Pumping Loads: — The housing contains and directs fluid flow through the diaphragm cycle; a cracked or warped housing causes pressure loss, leakage, and pump failure.
- Fluid-Path Sealing Surfaces: — Machined mating faces maintain the sealing integrity needed between the housing, diaphragm, and valve assembly to sustain suction lift and discharge pressure.
The pump housing forms the primary structural enclosure of a diaphragm pump, channeling fluid through the inlet valve, across the diaphragm chamber, and out through the discharge port with each stroke cycle. It provides the rigid, sealed cavity that allows the reciprocating diaphragm to generate suction and discharge pressure — without an intact housing, the pump cannot develop the differential pressure needed to move fluid. When the housing cracks, warps, or develops porosity, the result is reduced suction lift, visible leakage at the pump body, and eventually complete loss of pumping capacity.
Part Details
| Part Number | 5000180257 |
|---|---|
| Old Part Number | 0180257 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pump Housing |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PDT2A | PDT2A | 5000620769, 5100075510 |
| PDT2 Pump, Diaphragm | PDT2 | 5000620770 |
| PDI2A(I) | PDI2A(I) | 5000620772, 5100075511 |
| PDT3A | PDT3A | 5100075507 |
| PDI3A | PDI3A | 5100075508 |
| PDI3A(I) PUMP DIAPHRAGM | PDI3A(I) | 5100075509 |
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.
