The Wacker Neuson Oil Seal is a genuine OEM oil seal designed for MDP3 Trash Pumps and MPU 29 Reversible Plates. Sourced directly from Wacker Neuson, this part meets the exact material and dimensional standards set for the original equipment. It is confirmed to fit multiple MDP3 and MPU 29 configurations, making it the straightforward choice when servicing these machines. Replacing a worn or compromised oil seal promptly protects internal components and keeps the machine performing as intended.
Key Features
- OEM-Grade Seal Material — Manufactured to Wacker Neuson's original compound and compression specifications, ensuring correct contact pressure against the shaft surface.
- Drop-In Replacement — Matches the original seat dimensions exactly, seating into the housing the same way as the factory-installed part with no rework needed.
- Broad MDP3 and MPU 29 Coverage — Fits multiple MDP3 Trash Pump variants and MPU 29 Reversible Plate models, so one part number covers a range of machines in your fleet.
- Protects Critical Internal Components — A correctly functioning oil seal keeps lubricant where it belongs and prevents contaminants from entering the drive assembly, preserving bearing and shaft life.
- Fluid Containment Integrity — On pump and compaction equipment, a failing oil seal can allow lubricant to migrate into areas that damage rubber components or contaminate the work environment — using the correct OEM seal addresses this directly.
An oil seal creates a dynamic barrier between a rotating shaft and a stationary housing, retaining lubricating oil inside the assembly while blocking dirt, water, and debris from entering. On compaction and pump equipment like the MDP3 and MPU 29, this seal is under constant rotational stress and exposure to vibration, making material quality and dimensional accuracy critical. When an oil seal wears, cracks, or loses its lip tension, lubricant leaks out, internal components run dry, and accelerated wear or seizure can follow — making timely replacement one of the most cost-effective forms of preventive maintenance on these machines.
Part Details
| Part Number | 5000405057 |
|---|---|
| Old Part Number | 0405057 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Trash Pumps | MDP3 | 5000630140, 5000630144, 5000630176, 5000630177 |
| Reversible Plates | MPU 29 | 5000630141, 5000630228 |
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.
