The Wacker Neuson Screw Plug is a genuine OEM component designed for MDP3 series water pumps. Sourced directly through Wacker Neuson, this is the same part fitted at the factory, ensuring correct thread engagement and a leak-free seal every time. Whether you're servicing an MDP3-CE or MDP3-CN, part number is the verified replacement to reach for.
Key Features
- OEM Thread Integrity — Manufactured to exact thread pitch and torque spec for this pump housing, so the plug seats and seals without overtightening or cross-threading.
- Drop-In Replacement — Installs directly into the same threaded port as the original, with no rework or fitting adjustment needed.
- Confirmed MDP3 Fitment — Verified for MDP3-CE and MDP3-CN water pump models, covering both variants in the MDP3 series.
- Leak Prevention — A properly seated screw plug keeps pump fluid contained and operating pressure stable; a failed or stripped plug can lead to fluid loss and pump shutdown.
- Genuine Wacker Neuson Part — Backed by Wacker Neuson's OEM supply chain, so you know the material grade and dimensional tolerances match the original specification exactly.
A screw plug seals an access or drain port on the pump housing, keeping fluid contained within the system during normal operation. It acts as a removable closure — typically used during fluid changes, inspection, or maintenance — and its thread form and seating surface must match the housing precisely to prevent leaks. When a screw plug becomes damaged, stripped, or corroded, it can allow fluid to escape or introduce air into the system, both of which compromise pump performance and can lead to more extensive repairs if left unaddressed.
Part Details
| Part Number | 5000409446 |
|---|---|
| Old Part Number | 0409446 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Screw Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| MDP3 | MDP3-CE | 5100056324 |
| Water Pump | MDP3-CN | 5000630438 |
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.
