The Wacker Neuson Pump Housing is a genuine OEM component designed for the PDT and PDI series diaphragm pumps, including the PDT3A, PDT3, PDI3A, PDI3A(I), PDT2A, and PDI2A(I) models. As a factory-sourced part, the is manufactured to the exact tolerances required to maintain proper diaphragm sealing, fluid chamber integrity, and port alignment within the pump assembly. This housing is a direct-fit replacement that installs into the existing pump structure without modification to adjacent components. Whether you are performing scheduled maintenance or replacing a cracked or damaged housing, the Wacker Neuson ensures the pump returns to full working specification.
Key Features
- OEM-Matched Chamber Tolerances — Manufactured to the exact internal dimensions required to maintain diaphragm compression and fluid chamber integrity across the PDT and PDI pump families.
- Drop-In Replacement — Engineered to align directly with existing port connections, diaphragm mounting points, and fastener patterns on compatible Wacker Neuson diaphragm pumps.
- Broad PDT/PDI Series Fitment — Confirmed compatible with PDT3A, PDT3, PDI3A, PDI3A(I), PDT2A, and PDI2A(I) diaphragm pump models across multiple machine configurations.
- Restored Pump Output — A structurally sound housing maintains consistent suction and discharge pressure; a cracked or warped housing causes pressure loss, reduced flow rate, and pump failure.
- Genuine Wacker Neuson OEM Part — Sourced directly through the Wacker Neuson OEM supply chain, ensuring material grade and dimensional accuracy that aftermarket castings may not replicate.
The pump housing is the structural core of a diaphragm pump, forming the sealed fluid chamber where suction and discharge cycles take place. It houses the diaphragm, inlet and outlet valves, and the internal passages that move liquid through the pump with each stroke. When the housing is cracked, corroded, or worn beyond spec, the pump loses the ability to maintain suction, resulting in reduced flow, air ingestion, or complete pump failure. Replacing a damaged housing with a correctly fitted OEM part restores the sealed environment the diaphragm requires to operate efficiently.
Part Details
| Part Number | 5000180256 |
|---|---|
| Old Part Number | 0180256 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pump Housing |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PDT3A | PDT3A | 5000620773, 5100075507 |
| PDT3 | PDT3 | 5000620774 |
| PDI3A | PDI3A | 5000620775, 5100075508 |
| PDI3A(I) | PDI3A(I) | 5000620776, 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.
