The Wacker Neuson Pin is a genuine OEM component designed for the PDT and PDI series diaphragm trash pumps, including 50mm/2-inch and 75mm/3-inch configurations. As a factory-sourced part, is manufactured to the same specifications as the original, ensuring a direct, correct-fit installation within your pump assembly. This Pin is compatible across a wide range of PDT2, PDT2A, PDT2B, PDT3, PDT3A, PDI2, PDI2A, PDI3, PDI3A, and PD3B series diaphragm pump models. Keeping this small but critical component in good condition is essential to maintaining consistent pump operation on the worksite.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to exact original tolerances, ensuring the pin seats and retains correctly within the pump's internal linkage or valve assembly without adjustment.
- Direct-Fit Replacement — Drops into place as a like-for-like swap with the original, supporting a straightforward service without rework or modification to surrounding components.
- Broad PDT and PDI Series Coverage — Compatible with PDT2, PDT2A, PDT2B, PDT3, PDT3A, PDI2, PDI2A, PDI3, PDI3A, and PD3B diaphragm pump models in both 50mm/2-inch and 75mm/3-inch discharge sizes.
- Maintains Pump Integrity — A worn or missing pin can cause misalignment or loss of retention within the pump mechanism, leading to erratic diaphragm action or pump failure under load.
- Verified OEM Part Number — Sourced directly from Wacker Neuson; part number 5000051297 matches the original factory fitment record for all listed PDT and PDI pump configurations.
In a diaphragm trash pump, pins serve as critical retention and pivot points within the pump's mechanical assembly — securing moving components, aligning linkages, or locking valve elements in their correct operating position. When a pin wears, bends, or fails, the parts it holds can shift out of alignment, causing reduced pumping efficiency, irregular diaphragm stroke, or a complete loss of prime. Replacing a worn pin promptly restores the correct mechanical relationship between components and keeps the pump performing at its rated capacity.
Part Details
| Part Number | 5000051297 |
|---|---|
| Old Part Number | 0051297 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pin |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 50mm/2in Diaphragm Trash Pump | PDT2A | 5000007610, 5000007611 |
| 75mm/3in Diaphragm Trash Pump | PDT3A | 5000007614, 5000007615, 5000007616 |
| 50mm/2in Inline Diaphragm Tras h Pump | PDI2A | 5000007624, 5000007625 |
| 75mm/3in Inline Diaphragm Tras h Pump | PDI3A | 5000007628, 5000007629, 5000009407 |
| 50mm/2in Diaphragm Trash Pump | PDT2 | 5000009494, 5000007633 |
| 75mm/3in Diaphragm Trash Pumps | PDT3 | 5000009495, 5000007619 |
| 50mm/2in Diaphragm Trash Pump | PDI2 | 5000009489 |
| 75mm/3in Diaphragm Pump | PD3B | 5000006802 |
| 50mm/2in Diaphragm Trash Pump | PDT2B | 5000007612, 5000007613 |
| 75mm/3in Diaphragm Trash Pump | PDI3 | 5000009491, 5000009492 |
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.
