The Wacker Neuson Shaft Seal is a genuine OEM component designed for Wacker Neuson single-direction vibratory plate compactors, including the WPU1550A, MP15, MP12, MP20, VP1135R-AU, VP1340AW/WH, and VP1550AW/WH series. Sourced directly from Wacker Neuson, this seal is manufactured to the exact material grade and dimensional tolerances required for proper exciter housing sealing on these machines. Part number is the correct factory-specified replacement, giving you confidence that the part will seat and perform as intended. If your plate compactor is showing signs of oil leakage around the exciter shaft, this is the seal to order.
Key Features
- OEM-Grade Sealing Material — Manufactured to Wacker Neuson's specified compound and compression rating, ensuring proper oil retention around the exciter shaft under continuous vibratory load.
- Drop-In Fitment — Dimensioned to the exact bore and shaft diameter of the original seal, seating correctly into the exciter housing without rework or shimming.
- Broad Single-Direction Plate Coverage — Confirmed fit across WPU1550A, MP12, MP15, MP20, VP1135R-AU, VP1340AW/WH, and VP1550AW/WH vibratory plate compactors.
- Prevents Exciter Oil Loss — A worn or failed shaft seal allows exciter oil to escape, starving the eccentric weight assembly of lubrication and leading to accelerated internal wear or seizure.
- Genuine Wacker Neuson OEM Part — Supplied as an original equipment component; part number 5000406265 matches factory build records for the listed plate compactor models.
The shaft seal sits at the point where the exciter shaft exits the exciter housing on a vibratory plate compactor. Its job is to contain the oil that lubricates the eccentric weight mechanism — the assembly responsible for generating the compaction force that drives the plate into the ground. When the seal is in good condition, oil stays where it belongs and the exciter runs cool and properly lubricated. When the seal deteriorates or is damaged, oil leaks out, lubrication is lost, and the eccentric weights and bearings inside the exciter housing begin to wear rapidly — eventually causing the unit to stop vibrating altogether or suffer catastrophic internal damage.
Part Details
| Part Number | 5000406265 |
|---|---|
| Old Part Number | 0406265 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Shaft Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| WPU1550A | WPU1550A | 5000630033 |
| MP15 | MP15 | 5000630131, 5000630227 |
| Single Direction Plate | MP15(RAW) | 5000630245 |
| Soil and Asphalt Compaction | MP15A | 5000630318 |
| Value Vibratory Plate, 11kN 356mm/14in | VP1135R-AU | 5000630102 |
| VP1550AW/WH | VP1550AW/WH | 5000630373 |
| Single Direction Plates | MP15-CE | 5000630338 |
| VP1340AW/WH | VP1340AW/WH | 5000630374 |
| Single Direction Plates | MP20 | 5000630379 |
| Single Direction Plates | MP12 | 5000630380 |
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.