The Wacker Neuson Nut is a genuine OEM component designed for MG3, MG5, and MG5sd series portable generators. Sourced directly from Wacker Neuson, this nut delivers the exact thread specification, material grade, and dimensional tolerances required for a secure, lasting fastener connection across the affected assembly. It fits an extensive range of MG3 and MG5 generator configurations, including the MG5d and MG3d models, making it the go-to replacement when the original hardware needs refreshing. Verify your model number against the fitment list before ordering to confirm compatibility.
Key Features
- Correct Thread Specification: — Manufactured to Wacker Neuson's exact thread pitch and diameter, ensuring flush, full-engagement fastening without cross-threading risk.
- Genuine OEM Hardware: — Sourced directly from Wacker Neuson, so the material grade, hardness, and corrosion resistance match the nut originally installed on your generator.
- Direct Drop-In Replacement: — Seats and torques exactly like the factory-installed fastener, requiring no modification to mating components or mounting surfaces.
- Broad MG-Series Fitment: — Compatible with a wide range of MG3, MG5, and MG5sd portable generator models, covering multiple production variants under both the MG3 and MG5 families.
- Maintains Clamping Integrity: — A worn or stripped nut can allow critical assemblies to shift or loosen under vibration; replacing it promptly restores proper clamping force and keeps connected components securely seated.
A nut is a threaded fastener that works in conjunction with a bolt or stud to clamp two or more components together within an assembly. On portable generators like the MG3 and MG5 series, fasteners secure everything from panels and brackets to engine-adjacent components that must remain firmly in place under continuous vibration and load. When a nut becomes stripped, corroded, or lost, the joint it was holding can loosen progressively, leading to misalignment, noise, or component damage if left unaddressed. Replacing it with the correct OEM part restores the designed clamping load and keeps the surrounding assembly stable during operation.
Part Details
| Part Number | 5000404025 |
|---|---|
| Old Part Number | 0404025 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Generators | MG5 | 5000630137, 5000630143, 5000630233, 5000630254, 5000630224, 5000630229, 5000630237, 5000630239, 5000630252, 5000630308, 5000630310, 5000630334 |
| Portable Generators | MG3 | 5000630142, 5000630135, 5000630256, 5000630225, 5000630230, 5000630234, 5000630238, 5000630240, 5000630253, 5000630309, 5000630311, 5000630335 |
| Portable Generators | MG5sd | 5000630202, 5000630214, 5000630236 |
| MG5 Generator | MG5d | 5000630211 |
| 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.
