The Wacker Neuson Seal MP3 is a genuine OEM seal designed for the MDP3 and MDP3 Trash Pump series. As a direct OEM replacement, this seal is sourced straight from Wacker Neuson to ensure it meets the exact material and dimensional specifications of the original part. It fits the MDP3, MDP3 Trash Pump (L593,W440,H442), and related MDP3 variants, making it a straightforward service solution for technicians working across the MDP3 pump family.
Key Features
- OEM-Grade Seal Material: — Manufactured to Wacker Neuson's original compound and compression specifications, delivering the same fluid-tight performance as the part it replaces.
- Drop-In Replacement: — Engineered to the same profile and dimensions as the original, so it seats correctly into the pump housing without rework or modification.
- Broad MDP3 Family Coverage: — Confirmed fitment across MDP3, MDP3 Trash Pump (L593,W440,H442), and multiple MDP3 sub-variants, covering a wide range of Wacker Neuson diaphragm pump configurations.
- Leak Prevention: — A healthy seal keeps pump pressure where it belongs; a worn or cracked seal allows fluid bypass, reduces output pressure, and can contaminate surrounding components.
- Fluid Containment Integrity: — Maintaining a properly seated seal is critical in trash pump applications where debris-laden fluid can accelerate seal wear and lead to uncontrolled leakage if the wrong or degraded seal is used.
A pump seal creates and maintains a fluid-tight barrier between moving internal components and the pump housing, preventing liquid from bypassing the pumping chamber or escaping to the outside. In a diaphragm-style trash pump like the MDP3, the seal plays a direct role in maintaining suction and discharge pressure — a compromised seal causes loss of prime, reduced flow rate, and potential damage to internal pump components from abrasive bypass fluid. Replacing a worn seal promptly with the correct OEM part restores full pumping efficiency and protects the surrounding assembly.
Part Details
| Part Number | 5000404465 |
|---|---|
| Old Part Number | 0404465 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seal MP3 |
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.
