The Wacker Neuson Porcelain Seal is a genuine OEM component designed for MDP3 series trash pumps. Sourced directly through Wacker Neuson's authorized parts program, this seal meets the exact material and dimensional specifications of the original part fitted at the factory. It is confirmed compatible with multiple MDP3 configurations, including the MDP3 Trash Pump variants. Keeping the correct seal in place is critical to pump performance — installing part number ensures a proper, leak-free fit the first time.
Key Features
- Fired Porcelain Construction — Dense, non-porous porcelain material delivers the compression resistance and chemical compatibility required for pump seal applications, standing up to continuous fluid contact.
- Genuine OEM Part — Manufactured to Wacker Neuson's original design specification, so this seal matches the hardness, geometry, and surface finish of the part it replaces.
- Drop-In Replacement — Engineered to seat exactly as the original, with no reworking of the seal housing or mating faces needed during installation.
- MDP3 Series Compatibility — Confirmed fitment across MDP3 trash pump configurations, covering both standard and dimensional variants in the MDP3 product family.
- Leak Prevention Where It Counts — A worn or cracked pump seal allows fluid bypass around the shaft, causing pressure loss and potential pump damage; replacing it promptly with 5000404464 restores full sealing integrity.
A porcelain seal is a key component of a mechanical shaft seal assembly inside a pump. It forms one half of the lapped sealing face pair — the hard, smooth porcelain surface presses against a mating carbon or rubber-faced ring to create a continuous, fluid-tight barrier around the rotating shaft. When a porcelain seal chips, cracks, or develops surface scoring, the seal face can no longer maintain contact evenly, allowing water or fluid to leak past the shaft and into the pump housing. Replacing a damaged porcelain seal promptly protects the shaft, bearings, and internal pump components from further wear.
Part Details
| Part Number | 5000404464 |
|---|---|
| Old Part Number | 0404464 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Porcelain Seal |
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.
