The Wacker Neuson Plug (Threaded) is a genuine OEM component designed for the PDT and PDI series diaphragm trash pumps, including 50mm/2-inch and 75mm/3-inch models. As a direct OEM replacement, this threaded plug is manufactured to the exact specifications Wacker Neuson requires for proper sealing and pressure integrity in their diaphragm pump housings. Fitment covers a wide range of PDT2, PDT2A, PDT2B, PDT3, PDT3A, PDI2, PDI2A, PDI3, and PDI3A series units. Keeping the correct plug in place ensures pump fluid pathways remain properly sealed during operation.
Key Features
- OEM Thread Integrity — Manufactured to Wacker Neuson's exact thread specification, ensuring a leak-free seal within the pump body without the risk of cross-threading or pressure loss.
- Direct Housing Fit — Threads directly into the designated port on the pump housing, matching the original installation point with no reworking of the bore or port required.
- Broad PDT and PDI Series Coverage — Compatible with PDT2, PDT2A, PDT2B, PDT3, PDT3A, PDI2, PDI2A, PDI3, and PDI3A diaphragm trash pump models in both 50mm/2-inch and 75mm/3-inch discharge configurations.
- Maintains Pump Pressure Containment — A correctly seated threaded plug prevents fluid bypass and pressure bleed-off, allowing the diaphragm pump to sustain consistent output and suction performance.
- Fluid System Safety — A damaged or missing threaded plug in a trash pump can result in uncontrolled fluid leakage under pressure; using the correct OEM replacement ensures the pump operates safely and within its intended pressure parameters.
A threaded plug in a diaphragm trash pump seals off access or vent ports in the pump housing, keeping internal fluid pathways pressurized and preventing leaks during pumping cycles. In diaphragm pump designs, maintaining proper sealing at every port is critical — even a minor breach can cause the pump to lose prime, drop output flow, or leak fluid onto the worksite. When a threaded plug becomes damaged, stripped, or corroded, it must be replaced promptly with the correct OEM part to restore the pump's pressure integrity and keep the unit operating as intended.
Part Details
| Part Number | 5000051324 |
|---|---|
| Old Part Number | 0051324 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Plug (Threaded) |
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.
