The Wacker Neuson Mechanical Seal is a genuine OEM component designed for the MDP3-CE and MDP3-CN water pumps. Sourced directly from Wacker Neuson, this seal meets the exact material and dimensional specifications of the original part, ensuring a proper fit within the pump assembly. If you're servicing an MDP3 series pump, this is the correct OEM replacement to restore it to full working condition.
Key Features
- OEM-Grade Seal Material — Manufactured to Wacker Neuson's original compression and material standards, delivering the same sealing integrity as the factory-installed component.
- Drop-In Pump Replacement — Engineered to seat correctly within the MDP3 pump housing without modification, aligning with existing shaft tolerances and mating faces.
- MDP3 Series Compatibility — Confirmed fitment for MDP3-CE and MDP3-CN water pumps, covering both CE and CN variants of the MDP3 platform.
- Leak Prevention Where It Counts — A correctly seated mechanical seal keeps water from migrating past the pump shaft, protecting internal components and maintaining output pressure.
- Pump Fluid Containment Compliance — Mechanical seals in water pumps directly prevent fluid loss and contamination of bearing and drive components; using the correct OEM seal maintains safe, contained pump operation.
A mechanical seal sits at the point where the rotating pump shaft exits the pump casing, creating a dynamic barrier that prevents water from leaking out along the shaft. It works by pressing two precision-lapped faces — one stationary, one rotating — together under spring load, forming a near-zero-leak interface. When a mechanical seal wears or fails, the pump will begin to leak water from the shaft area, which can quickly lead to bearing damage, loss of prime, and reduced pumping efficiency if left unaddressed.
Part Details
| Part Number | 5000409436 |
|---|---|
| Old Part Number | 0409436 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Mechanical Seal |
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.
