The Wacker Neuson Seal Mp3 is a genuine OEM component designed for the MDP3 and MDP3 Trash Pump series. Sourced directly from Wacker Neuson, this seal meets the exact material and dimensional standards of the original part — no guesswork on fit or compatibility. It is confirmed to fit multiple MDP3 configurations, including the MDP3 Trash Pump variants. Keeping the correct seal in place is critical to maintaining pump integrity and preventing fluid bypass or leakage during operation.
Key Features
- OEM-Grade Seal Material — Manufactured to Wacker Neuson's original compound and compression specifications, ensuring the seal maintains consistent contact pressure and resists degradation from pumped fluids.
- Drop-In Replacement — Matches the original seal profile and seating dimensions for the MDP3 series, allowing straightforward installation without reworking mating surfaces.
- Broad MDP3 Coverage — Compatible across MDP3 and MDP3 Trash Pump configurations, covering multiple build variants within the same model family.
- Leak Prevention — A correctly seated seal keeps pump chambers properly isolated, maintaining prime and output pressure — a worn or failed seal allows fluid to bypass, reducing pump efficiency and risking damage to internal components.
- Fluid System Integrity — Proper sealing in a trash pump is essential to safe, controlled fluid handling; a failed seal can allow uncontrolled leakage of pumped media, making timely replacement an operational priority.
A seal in a diaphragm or centrifugal trash pump serves as the critical barrier between fluid chambers and external or mechanical components. It prevents pumped liquid — which may contain solids, debris, or corrosive material — from migrating into areas where it can cause wear, contamination, or structural damage. When a seal deteriorates, operators will typically notice reduced output pressure, visible leakage, or loss of prime; left unaddressed, a failed seal accelerates wear on surrounding pump components and can lead to more extensive repairs.
Part Details
| Part Number | 5000404463 |
|---|---|
| Old Part Number | 0404463 |
| 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.