The Wacker Neuson Exhaust Valve is a genuine OEM exhaust valve designed for a wide range of Wacker Neuson equipment including MG3 portable generators, MFS12 and MFS14 floor saws, ML240, ML425, and ML225 light towers, MP15 and MP70 single direction plates, MD3.5 modular internal vibrators, MFP1.5 and MFP2 fire pumps, and MG3sd and MG3d generator variants. As a direct-from-manufacturer component, this part meets the exact tolerances and material specifications required by the original engine design. Sourced directly through Wacker Neuson's authorized parts supply chain, the ensures a correct, drop-in installation with no guesswork on compatibility.
Key Features
- Genuine OEM Valve Integrity — Manufactured to the precise seating geometry and metallurgical grade specified for Wacker Neuson engines, ensuring consistent gas-tight sealing under operating temperatures and pressures.
- Direct-Fit Installation — Matches original stem diameter, head dimensions, and keeper groove profile for a straightforward valve replacement without machining or adaptation.
- Broad Equipment Compatibility — A single part number covers MG3 portable generators, MFS12 and MFS14 floor saws, ML-series light towers, MP-series direction plates, MD3.5 internal vibrators, and MFP-series fire pumps.
- Sustained Engine Compression — A properly sealing exhaust valve maintains correct cylinder pressure and combustion efficiency; a worn or burnt valve causes hard starts, power loss, and excessive fuel consumption.
- Emission and Combustion Compliance — A correctly functioning exhaust valve ensures combustion gases are fully expelled on each cycle, supporting the engine's designed emission and performance ratings.
The exhaust valve is a critical engine component that opens at the end of each combustion cycle to allow spent gases to exit the cylinder before the next intake stroke begins. It must seal completely when closed to maintain cylinder compression and prevent hot exhaust gases from bleeding back into the combustion chamber. When an exhaust valve wears, burns, or fails to seat properly, the engine will lose compression, run rough, produce excessive smoke, and ultimately suffer accelerated internal damage if not addressed promptly.
Part Details
| Part Number | 5000406479 |
|---|---|
| Old Part Number | 0406479 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Exhaust Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| MP15 | MP15 | 5000630131, 5000630227 |
| Light Towers | ML240 | 5000630118, 5000630205, 5000630326 |
| Light Towers | ML425 | 5000630119, 5000630206 |
| Light Towers | ML225 | 5000630120, 5000630207 |
| Modular Internal Vibrators | MD3.5 | 5000630242 |
| Single Direction Plate | MP70 | 5000630243 |
| Floor Saw | MFS14 | 5000630186, 5000630221 |
| Floor Saw | MFSX14 | 5000630246 |
| Portable Generators | MG3 | 5000630142, 5000630135, 5000630256, 5000630225, 5000630230, 5000630234, 5000630238, 5000630240, 5000630253, 5000630309, 5000630311 |
| Floor Saw | MFS12 | 5000630187, 5000630220 |
| Portable Generators | MG3sd | 5000630201, 5000630215, 5000630235 |
| MG3 Generator | MG3d | 5000630213 |
| Fire Pump | MFP1.5 | 5000630258 |
| Fire Pump | MFP2 | 5000630259 |
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.
