The Wacker Neuson Thread Plug is a genuine OEM component designed for the MDP3 and MDP3 Trash Pump series. As a direct OEM part, it is manufactured to the same standards as the original installed at the factory, ensuring a correct, hassle-free installation. This plug is confirmed compatible across multiple MDP3 configurations, including the MDP3 Trash Pump variants with dimensions L593, W440, and H442.
Key Features
- OEM-Spec Thread Integrity — Manufactured to exact thread pitch and diameter specifications, ensuring a secure, leak-free seat every time.
- Drop-In Installation — Threads directly into the original port with no rework or modification to the housing needed.
- Broad MDP3 Coverage — Fits multiple MDP3 and MDP3 Trash Pump configurations, including L593 x W440 x H442 frame variants.
- Maintains Fluid Containment — A correctly seated thread plug keeps pump fluids properly sealed; a damaged or missing plug risks leaks, contamination, and pump failure.
- Genuine Wacker Neuson Part — Sourced directly from Wacker Neuson, so part number 5000404475 matches your machine's original specification without substitution.
A thread plug seals an access or drain port in the pump housing, preventing fluid from escaping during normal operation and keeping contaminants out of the system. On trash pumps like the MDP3 series, maintaining a properly sealed housing is critical to sustaining pump pressure and protecting internal components. If the thread plug is damaged, cross-threaded, or missing, fluid loss and contamination can quickly lead to reduced pumping performance or broader mechanical damage.
Part Details
| Part Number | 5000404475 |
|---|---|
| Old Part Number | 0404475 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Thread Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Trash Pumps | MDP3 | 5000630140, 5000630144, 5000630176, 5000630177 |
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.