The Wacker Neuson Thrust Washer is a genuine OEM component designed for the PD3B 75mm/3in Diaphragm Pump. As a direct factory replacement, this thrust washer is sourced from Wacker Neuson and built to the same specifications as the original part installed at the factory. It is a critical internal component in the pump drive assembly, and using the correct OEM part ensures the pump continues to run with proper load distribution and minimal wear on surrounding components.
Key Features
- Genuine OEM Material Grade — manufactured to the exact hardness and dimensional tolerancing required for the axial load demands inside the PD3B pump drive, so wear rates match the original design intent.
- Drop-In Installation — matches the original mounting position and dimensions, allowing the washer to seat correctly against mating components without modification.
- Confirmed Fitment — verified for the Wacker Neuson PD3B 75mm/3in Diaphragm Pump series.
- Protects Shaft and Bearing Surfaces — a correctly functioning thrust washer controls axial movement in the drive assembly; a worn or missing washer accelerates damage to the shaft, housing, and adjacent bearings.
- Sustains Full Pumping Output — keeping the drive assembly in spec allows the diaphragm pump to maintain consistent flow and pressure without the vibration or slop that comes from a degraded thrust surface.
A thrust washer is a thin, hardened disc positioned within the pump's drive mechanism to absorb and distribute axial loads — forces that push components along the axis of a rotating shaft. In a diaphragm pump like the PD3B, the drive mechanism converts rotary engine motion into the back-and-forth stroke that moves the diaphragm, and that motion generates significant axial force with every cycle. The thrust washer sits between moving parts to control that force and prevent metal-to-metal contact. When a thrust washer wears down or fails, axial play increases, which accelerates wear on the shaft, housing bore, and connected bearings — eventually leading to reduced pump performance or drive assembly failure.
Part Details
| Part Number | 5000051329 |
|---|---|
| Old Part Number | 0051329 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Thrust Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 75mm/3in Diaphragm Pump | PD3B | 5000006802 |
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.
