The Wacker Neuson Voltage Regulator is a genuine OEM component designed for MG3 portable generators, MG3d generators, and ML240, ML425, and ML225 light towers and multifunction floodlight towers. As a factory-sourced part, it meets the exact output specifications required to maintain stable electrical performance across the full range of compatible Wacker Neuson equipment. Verified fitment spans multiple model configurations within the MG3 generator series and ML-series light tower lineup, making it straightforward to confirm compatibility before ordering. When your voltage regulator fails, replacing it with the correct OEM part ensures your generator or light tower delivers consistent, regulated power output without guesswork.
Key Features
- Correct Output Specification — Genuine OEM construction ensures this regulator operates at the precise voltage output range required by Wacker Neuson MG3 and ML-series equipment.
- Direct Drop-In Replacement — Engineered to match the original mounting configuration and electrical connections, so installation follows the same procedure as the factory-fitted unit.
- Broad Wacker Neuson Compatibility — Fits MG3 portable generators, MG3d generators, and ML240, ML425, and ML225 light towers and multifunction floodlight towers across numerous production configurations.
- Stable Power Delivery — A functioning voltage regulator keeps output steady under varying load conditions, protecting connected equipment and ensuring light towers illuminate at full rated output.
- Electrical Safety Assurance — An out-of-spec or failed voltage regulator can cause over-voltage conditions that damage sensitive generator components or connected loads; using the correct OEM part eliminates that risk.
- Genuine Wacker Neuson Part — Sourced directly from Wacker Neuson, part number 5000404088 carries the same quality standard as the original component installed at the factory.
A voltage regulator controls the electrical output of a generator or power system by monitoring and adjusting the voltage to maintain a consistent level regardless of changes in engine speed or load demand. In light towers and portable generators, this keeps connected lighting and equipment operating within safe voltage limits. When the regulator fails or degrades, output can become erratic or climb beyond safe levels, leading to flickering lights, tripped circuits, or damage to the generator's alternator windings — making timely replacement critical to continued operation.
Part Details
| Part Number | 5000404088 |
|---|---|
| Old Part Number | 0404088 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Voltage Regulator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Light Towers | ML240 | 5000630118, 5000630205, 5000630326 |
| Light Towers | ML425 | 5000630119, 5000630206 |
| Light Towers | ML225 | 5000630120, 5000630207 |
| Portable Generators | MG3 | 5000630142, 5000630135, 5000630256, 5000630225, 5000630230, 5000630234, 5000630238, 5000630240, 5000630253, 5000630309, 5000630311, 5000630335 |
| MG3 Generator | MG3d | 5000630213 |
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.
