The Wacker Neuson is a genuine OEM Flange Nut 6mm designed for the GP2500A, GV2500A, GV5003A, and GV5000A series portable generators. As a factory-sourced component, part is manufactured to the exact dimensions and thread specification Wacker Neuson engineers used in original production, ensuring a correct, secure installation without guesswork. This nut spans multiple GP and GV generator configurations, including EPA-compliant, 50Hz, and 60Hz variants, making it a widely applicable service part for technicians and operators maintaining these units in the field or shop.
Key Features
- Exact Thread and Flange Geometry — Genuine OEM specification ensures the 6mm thread pitch and integrated flange diameter match the original fastener, delivering proper clamping load without stripping or distortion.
- Genuine Wacker Neuson Part — Sourced directly from Wacker Neuson, this is the same flange nut installed at the factory — not a generic substitute that may vary in hardness grade or flange profile.
- Broad Generator Family Coverage — Confirmed fitment across GP2500A, GV2500A, GV5003A, and GV5000A generators, including EPA, 50Hz, and 60Hz configurations, covering a wide range of service scenarios under a single part number.
- Maintains Structural Integrity at Fastened Joints — A worn, stripped, or mismatched flange nut can allow panels, brackets, or engine-mounted components to loosen under vibration, leading to rattling, misalignment, or component damage during operation.
- Drop-In Service Replacement — The flanged design distributes clamping force evenly across the mating surface, reinstalling in the same position and orientation as the original with standard 6mm tooling.
A flange nut is a standard hex nut with an integrated wide-diameter collar, or flange, on one face. That flange acts like a built-in washer, spreading clamping force over a larger contact area and helping resist loosening from vibration — a critical characteristic in engine-driven equipment like portable generators. When a flange nut becomes stripped, corroded, or cross-threaded, the fastened joint loses its holding force, which can allow covers, guards, or mounted components to shift or separate during operation. Replacing it with the correct OEM part restores the joint to its original clamping specification and keeps the generator running safely and securely.
Part Details
| Part Number | 5000158456 |
|---|---|
| Old Part Number | 0158456 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flange Nut 6mm |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GP2500A | GP2500A | 5000620128, 5200002844, 5000620009, 5100041977 |
| GV2500A | GV2500A | 5000009345, 5000009350, 5000009355, 5000009360, 5000620542, 5000620286 |
| 50Hz Portable Value Generator | GV5003A | 5000009352, 5000009357 |
| 50Hz Portable Value Generator | GV5000A | 5000009356 |
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.
