The Wacker Neuson Valve Oil Seal is a genuine OEM valve oil seal designed for the MP20 and MP12 Single Direction Plates, GS3500Gi generators, and G3500G generators. As a direct factory part, it is manufactured to the exact material grade and dimensional tolerances specified by Wacker Neuson, ensuring a correct drop-in replacement with no guesswork. This seal is confirmed to fit multiple configurations across the GS3500Gi and G3500G model families, including CE, LA, and CN variants. When it comes to oil sealing components, using the genuine OEM part is the straightforward choice for maintaining proper lubrication integrity and avoiding repeat service calls.
Key Features
- OEM-Grade Seal Material — Manufactured from the factory-specified elastomer compound, delivering the compression set resistance and temperature tolerance required for a valve oil seal application.
- Exact Dimensional Fit — Matches the original bore diameter and lip geometry precisely, seating correctly against the valve stem without reworking the housing.
- Broad Model Coverage — Fits MP20 and MP12 Single Direction Plates plus GS3500Gi and G3500G generators across CE, LA, and CN variants — one part number covering a wide range of Wacker Neuson equipment.
- Leak Prevention Where It Counts — A correctly functioning valve oil seal keeps oil contained at the valve stem, preventing consumption, contamination, and smoke; a worn seal allows oil past the stem and into the combustion or exhaust path.
- Genuine Wacker Neuson OEM Part — Supplied as an authorized OEM component under part number 5000408483, so fitment and specification are verified against the original engineering data.
A valve oil seal sits at the base of a valve stem and prevents engine oil from being drawn down into the combustion chamber past the valve guide. It works by maintaining a controlled, minimal oil film on the stem while blocking excess oil from entering areas where it causes burning, carbon buildup, and blue exhaust smoke. When a valve oil seal hardens, cracks, or loses its lip tension through age or heat cycling, oil consumption rises and combustion quality drops — making timely seal replacement an important part of engine maintenance on both the plate compactor and generator models this part serves.
Part Details
| Part Number | 5000408483 |
|---|---|
| Old Part Number | 0408483 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve Oil Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Single Direction Plates | MP20 | 5000630379 |
| Single Direction Plates | MP12 | 5000630380 |
| GS3500Gi | GS3500Gi CE | 5100079448 |
| G3500G | G3500G CE | 5100079450 |
| G3500G | G3500G LA | 5100079451 |
| GS3500Gi | GS3500Gi CN | 5100079595 |
| G3500G | G3500G CN | 5100079597 |
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.
