The Wacker Neuson Lock Washer M8 External is a genuine OEM fastening component designed for the G12, G25, G50, G70, and G85 series mobile skid-mounted generators. Sourced directly from Wacker Neuson, this part matches the original specification installed at the factory. It is confirmed compatible across the full G-series mobile generator lineup covered by this listing, making it a straightforward choice when servicing these units in the field or the shop.
Key Features
- Genuine OEM Material Grade — Manufactured to the exact hardness and dimensional tolerances required for M8 locking applications, ensuring the washer bites and holds correctly under load.
- External Tooth Design — The external serration pattern grips the mating surface firmly, preventing fastener loosening caused by vibration — a critical consideration on generator sets subject to continuous engine vibration.
- Direct Drop-In Fit — Sized to M8 spec, this washer installs on any M8 fastener in the assembly with no adjustment or rework needed at the installation point.
- Broad G-Series Compatibility — Confirmed fitment across the G12, G25, G50, G70, and G85 mobile skid-mounted generator models, covering a wide range of Wacker Neuson portable power equipment.
- Vibration Resistance — A functioning lock washer maintains clamping force on critical joints during operation; a missing or flattened washer allows fasteners to back out, which can lead to loose panels, connections, or structural components on the generator.
A lock washer is a small but essential fastening component placed beneath a nut or bolt head to prevent the fastener from loosening over time. On a generator set, constant engine vibration works against every threaded joint in the machine — the external teeth on this M8 washer dig into both the fastener and the mating surface, creating mechanical resistance that keeps the joint secure. When a lock washer becomes deformed, corroded, or missing, the fastener it supports can gradually back out, potentially causing component misalignment or intermittent electrical connection issues.
Part Details
| Part Number | 5000115635 |
|---|---|
| Old Part Number | 0115635 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Washer M8 External |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator Skid Mounted | G25 | 5000008228 |
| Mobile Generator Skid Mounted | G50 | 5000008229 |
| Mobile Generator Skid Mounted | G70 | 5000008230 |
| Mobile Generator, Skid Mounted | G12 | 5000008227 |
| Mobile Generator Skid Mounted | G85 | 5000008231 |
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.