The Wacker Neuson Hex Nut 4mm is a genuine OEM fastener designed for the GS12Ai 50Hz portable generator. Sourced directly from Wacker Neuson, this nut matches the exact thread pitch, material grade, and dimensional tolerances specified for the original assembly. Whether you are completing a scheduled service or replacing a damaged hardware component, part number restores the machine to factory-correct configuration. Confirm your model number against the GS12Ai fitment before ordering to ensure a proper match.
Key Features
- OEM-Grade Fastener Integrity — Manufactured to the same thread class and material hardness as the original, ensuring consistent clamp load and resistance to loosening under vibration.
- Direct Hardware Replacement — Matches the original 4mm hex specification exactly, threading into existing hardware positions without reworking or chasing threads.
- Confirmed Fitment for GS12Ai Generator — Verified for the GS12Ai 50Hz portable generator series, giving you confidence that this is the correct fastener for your machine.
- Vibration-Resistant Retention — A correctly spec'd nut maintains secure fastening in generator applications where continuous engine vibration can cause undersized or incorrect hardware to back off over time.
- Electrical Safety Assurance — In generator assemblies, improperly secured fasteners can compromise ground connections or panel integrity; using the correct OEM nut helps maintain safe, code-compliant electrical retention points.
A hex nut is a threaded fastener used to clamp and secure components along a bolt or stud. In portable generator assemblies like the GS12Ai, these small fasteners play a critical role in holding panels, brackets, electrical terminals, and structural components firmly in place during operation. When a nut is stripped, corroded, or missing, the components it secures can shift or vibrate loose, leading to noise, misalignment, or compromised electrical connections. Replacing a damaged nut with the correct OEM part restores proper clamping force and keeps the assembly intact.
Part Details
| Part Number | 5000159526 |
|---|---|
| Old Part Number | 0159526 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hex Nut 4mm |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 50Hz Portable Generator 12 kVA | GS12Ai | 5000009108 |
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.
