The Wacker Neuson Nut is a genuine OEM Nut designed for the MG3 and MG5 series portable generators. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original hardware used on the production line — no guesswork, no mismatched fasteners. It is confirmed for fitment across a wide range of MG3 and MG5 generator configurations, including standard, silent, and diesel variants. When you need a direct, like-for-like replacement, the is the correct part to order.
Key Features
- Genuine OEM Hardware Spec — Manufactured to the exact thread pitch, dimensions, and material grade specified by Wacker Neuson for the MG generator line.
- Drop-In Replacement — Installs directly in place of the original fastener with no reworking of threads or mating components required.
- Broad MG Series Coverage — Compatible with a wide range of MG3 and MG5 portable generator models, including standard, silent (sd), and diesel (d) variants.
- Maintains Clamping Integrity — A correctly torqued, properly fitting nut keeps critical assemblies securely fastened, preventing movement, vibration loosening, and component wear over time.
- Verified Part Number — Order with confidence: 5000404056 is the Wacker Neuson OEM part number, cross-referenced across the full MG3 and MG5 generator fitment range.
A nut is a fundamental fastening component that works in conjunction with a bolt or stud to clamp and secure assemblies within the generator. On portable generators, fasteners like this one hold together structural panels, engine mounts, and mechanical sub-assemblies that are subject to continuous vibration during operation. When a nut becomes stripped, corroded, or lost during service, replacing it with the correct OEM-spec hardware ensures the joint is restored to its original clamping force — preventing loosening, misalignment, or damage to surrounding components over time.
Part Details
| Part Number | 5000404056 |
|---|---|
| Old Part Number | 0404056 |
| 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 | MG3sd | 5000630201, 5000630215, 5000630235 |
| 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.