The Wacker Neuson is a genuine OEM Oil Seal designed for the PDT and PDI series diaphragm pumps, including PDT2A, PDT2, PDT3A, PDT3, PDI2A(I), PDI3A, and PDI3A(I) models. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original component installed at the factory. It is a direct replacement for worn or damaged seals across the full range of compatible 2-inch and 3-inch diaphragm pump models. When seal integrity is critical to pump performance, using the correct OEM part ensures the repair is done right the first time.
Key Features
- OEM Seal Material and Tolerancing — Manufactured to the original compound and dimensional spec, ensuring correct compression and sealing force within the pump housing.
- Drop-In Replacement — Seats directly into the existing bore without rework, matching the original seal's profile and interference fit for a clean installation.
- Broad Diaphragm Pump Compatibility — Fits the PDT2A, PDT2, PDT3A, PDT3, PDI2A(I), PDI3A, and PDI3A(I) diaphragm pump models across multiple serial number ranges.
- Prevents Fluid Bypass and Internal Leakage — A correctly functioning oil seal keeps fluids separated at the shaft interface; a worn seal allows contamination and loss of pump pressure that degrades output and can cause internal damage.
- Fuel and Fluid System Integrity — Maintaining a sound seal is essential to safe operation of any pump handling liquids; a failed seal can introduce fluid into areas of the pump where it poses an operational risk.
An oil seal in a diaphragm pump creates a barrier at the rotating or reciprocating shaft, preventing fluid from migrating between the wet end of the pump and the internal drive components. When the seal is intact, the pump maintains its designed flow rate and internal pressure. As the seal wears, fluid can bypass the barrier, leading to contamination of lubricating oil, loss of pumping efficiency, and potential damage to bearings or other internal components. Replacing a worn seal promptly with the correct part — such as the Wacker Neuson 5000180265 — restores the pump's sealing integrity and protects the surrounding components from accelerated wear.
Part Details
| Part Number | 5000180265 |
|---|---|
| Old Part Number | 0180265 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Seal |
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.