The Wacker Neuson Key is a genuine OEM component designed for the PDT2A, PDT2, PDI2A(I), PDT3A, PDT3, and PDI3A series diaphragm pumps. As a direct Wacker Neuson OEM part, the is manufactured to the exact specifications required for proper fit and function within the pump drivetrain. This Key is compatible across both 2-inch and 3-inch diaphragm pump models in the PDT and PDI families, covering a broad range of jobsite pumping applications.
Key Features
- Genuine OEM Fit: — Manufactured to Wacker Neuson's exact tolerances, ensuring the key seats flush in the keyway without play or slippage that could compromise shaft engagement.
- Direct Replacement: — Drops into the existing keyway slot on supported PDT and PDI series pump shafts with no alteration to surrounding components.
- Broad Diaphragm Pump Compatibility: — Fits 2-inch models (PDT2A, PDT2, PDI2A(I)) and 3-inch models (PDT3A, PDT3, PDI3A, PDI3A(I)) across multiple serial number ranges.
- Drivetrain Integrity: — A correctly seated key locks the impeller or drive component securely to the shaft; a worn or missing key allows slippage that leads to loss of pump output and accelerated component wear.
- Verified OEM Part Number: — Cross-referenced to Wacker Neuson part number 5000180294 for confident sourcing and inventory accuracy.
A key is a small but load-bearing drivetrain component that fits into a machined slot — called a keyway — shared between a rotating shaft and the component mounted to it, such as an impeller hub or drive coupling. By interlocking both parts, the key transmits torque from the shaft to the driven component and prevents relative rotation between them. When a key shears, deforms, or works loose, the driven component can slip on the shaft, causing an immediate drop in pump performance or complete loss of function. Replacing a worn key promptly restores the positive mechanical connection the pump depends on to move fluid efficiently.
Part Details
| Part Number | 5000180294 |
|---|---|
| Old Part Number | 0180294 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Key |
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.
