The Wacker Neuson is a genuine OEM Bearing designed for the PDT and PDI series diaphragm pumps, including the PDT2A, PDT2, PDI2A(I), PDT3A, PDT3, PDI3A, and PDI3A(I) models. As a factory-sourced component, this bearing meets the original engineering tolerances specified for these diaphragm pump platforms, ensuring the rotating assembly performs exactly as intended. Compatibility spans both the PDT (transfer) and PDI (dewatering/industrial) variants across the 2-inch and 3-inch pump families.
Key Features
- OEM Tolerancing for Pump Bearings — Manufactured to the original dimensional and load-rating specifications, maintaining the shaft alignment and radial stability required in diaphragm pump service.
- Drop-In Fitment for PDT and PDI Pumps — Engineered to seat directly into the bearing housing without rework, matching the original bore dimensions and shoulder geometry of these pump assemblies.
- Broad Series Compatibility — Fits PDT2A, PDT2, PDI2A(I), PDT3A, PDT3, PDI3A, and PDI3A(I) diaphragm pumps across both 2-inch and 3-inch discharge size platforms.
- Sustained Pump Output — A correctly seated bearing keeps the eccentric drive mechanism running smoothly, maintaining consistent diaphragm stroke and rated flow output over extended run time.
- Genuine Wacker Neuson OEM Part — Sourced directly through the Wacker Neuson parts network, carrying the part number 5000180281 for straightforward parts verification and ordering confidence.
The bearing in a diaphragm pump supports the rotating shaft or eccentric that drives the diaphragm back and forth to move fluid. It absorbs radial and axial loads generated during operation, keeping the drive assembly centered and reducing friction between rotating and stationary components. When a bearing wears or fails, it can cause shaft wobble, increased vibration, accelerated wear on the diaphragm and housing, and eventual pump seizure — making timely replacement critical to keeping the pump running at full capacity.
Part Details
| Part Number | 5000180281 |
|---|---|
| Old Part Number | 0180281 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Bearing |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PDT2A | PDT2A | 5000620769, 5100075510 |
| PDT2 Pump, Diaphragm | PDT2 | 5000620770 |
| PDI2A(I) | PDI2A(I) | 5000620772, 5100075511 |
| PDT3A | PDT3A | 5000620773, 5100075507 |
| PDT3 | PDT3 | 5000620774 |
| PDI3A | PDI3A | 5000620775, 5100075508 |
| PDI3A(I) | PDI3A(I) | 5000620776, 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.