The Wacker Neuson is a genuine OEM Oil Plug designed for the PT2 centrifugal trash pump, PDT2 and PDT3 diaphragm trash pumps, PDI2 and PDI3 diaphragm trash pumps, and PG2 and PG3 dewatering pumps. As a direct OEM part, the is manufactured to the exact tolerances and thread specifications of the original component, ensuring a secure, leak-free seat every time. This Oil Plug covers an exceptionally broad range of Wacker Neuson pump families, making it a practical stocking item for fleet operators and service technicians running multiple pump models on site. Confirm your model number against the fitment list before ordering to ensure compatibility.
Key Features
- OEM Sealing Integrity — Manufactured to exact thread pitch and seat geometry, this plug forms a positive, oil-tight seal that prevents crankcase or gearcase leaks during pump operation.
- Drop-In Thread Match — Threads directly into the original drain/fill port with no chasing or rework required, seating flush against the original mating surface.
- Broad Pump Family Coverage — A single part number covers PT2 centrifugal, PDT2/PDT3 and PDI2/PDI3 diaphragm trash pumps, and PG2/PG3 dewatering pumps across multiple production series.
- Protects Engine or Pump Oil Supply — A properly seated oil plug maintains correct oil level and pressure; a missing or damaged plug leads to rapid oil loss and accelerated internal wear or seizure.
- Genuine Wacker Neuson OEM Part — Sourced directly through the Wacker Neuson OEM supply chain, carrying the correct part number 5000156449 for straightforward parts verification and service records.
The oil plug seals the oil drain or fill port on the pump's engine crankcase or gearcase, keeping the lubricating oil contained at the correct level during operation. A secure seal at this point is essential — oil loss caused by a loose, cross-threaded, or damaged plug will starve internal moving parts of lubrication and can result in premature wear or catastrophic seizure. Replacing a worn or damaged plug at each scheduled oil change is a straightforward step that protects the broader investment in the pump.
Part Details
| Part Number | 5000156449 |
|---|---|
| Old Part Number | 0156449 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT2 Pump | PT2 | 5000009318, 5000009319, 5000009320 |
| 50mm/2in Diaphragm Trash Pump | PDT2 | 5000009494, 5000620770 |
| 75mm/3in Diaphragm Trash Pumps | PDT3 | 5000009495, 5000620774 |
| PG2 Dewatering Pump | PG2 | 5000009496, 5000009497 |
| PG3 Dewatering Pump | PG3 | 5000009498, 5000009499 |
| 50mm/2in Diaphragm Trash Pump | PDI2 | 5000009489 |
| 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.