The Wacker Neuson Bearing 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 meets the original design specifications Wacker Neuson established for these pumps, ensuring a correct, confident installation every time. Confirm your model number before ordering — this bearing is listed across multiple PDT and PDI variants, so verifying your specific unit ensures you receive the right fit.
Key Features
- Genuine OEM Precision Tolerancing — Manufactured to the exact dimensional and load-rating specifications of the original bearing, preventing premature wear and maintaining proper shaft alignment within the pump assembly.
- Drop-In Replacement — Engineered to the same seat dimensions and interface geometry as the original, allowing straightforward installation without reworking bearing housings or adjacent components.
- Broad PDT and PDI Series Coverage — A single part number covering PDT3A, PDT3, PDI3A, PDI3A(I), PDT2A, and PDI2A(I) pump models, making it a practical stocking item for fleets running multiple Wacker Neuson diaphragm pump variants.
- Smooth Pump Operation Sustained — A correctly functioning bearing keeps the pump's rotating assembly running true; a worn or failed bearing introduces vibration, accelerates seal and shaft wear, and can lead to pump failure mid-job.
- Factory-Sourced Confidence — Sourced directly through the Wacker Neuson OEM supply chain, so you know part number 5000179876 is the same component that left the factory — not an approximate equivalent.
The bearing in a diaphragm pump supports the rotating shaft or eccentric drive mechanism that powers the diaphragm's back-and-forth pumping action. By reducing friction and carrying radial and axial loads, it allows the pump's internal components to spin freely and maintain consistent output pressure. When a bearing wears out, it can generate heat, introduce play into the shaft, and cause vibration that damages surrounding seals, housings, and the diaphragm itself — ultimately reducing pump efficiency or taking the unit out of service entirely.
Part Details
| Part Number | 5000179876 |
|---|---|
| Old Part Number | 0179876 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Bearing |
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.