Wacker Neuson 5000158899 Washer M8 Flat Stainless Steel

The Wacker Neuson is a genuine OEM Washer M8 Flat Stainless Steel designed for the G-Series portable and skid-mounted mobile generators and LTW light tower product families. As a direct OEM replacement, is manufactured to Wacker Neuson's material and dimensional standards, ensuring a correct, consistent fit across a wide range of supported models. Compatible models span the G25, G40, G50, G60, G70, G95, G100, G110, G120, G125, G130, G150, G160, G180, G230, G240, and G320 generator series, as well as the LTW6K, LTW8K, LTW20Z1, and LTW20Z3 light tower lines, plus select HSH hydronic surface heater and E-series ground heater units. Sourcing a genuine OEM fastener hardware component like this ensures the assembly point maintains proper clamping force and corrosion resistance over the service life of the machine.

Key Features

• Stainless Steel Construction — The M8 flat stainless steel material grade resists corrosion and oxidation, making this washer well suited for outdoor generator and light tower installations exposed to moisture and weather cycling.
• Correct M8 Sizing for Proper Load Distribution — Sized specifically for M8 fastener hardware, this washer distributes clamping load evenly across the mating surface, preventing fastener pull-through or surface damage at assembly joints.
• Genuine OEM Part — Sourced directly through Wacker Neuson's parts program, 5000158899 meets the same material specification as the washer installed at the factory — no guesswork on material grade or dimensional tolerance.
• Broad Cross-Family Fitment — A single part number covers an extensive range of G-Series generators (G25 through G320), LTW light towers, HSH hydronic heaters, and E-series ground heaters, simplifying parts ordering for mixed fleets.
• Maintains Fastener Joint Integrity — A worn, incorrect, or missing flat washer can allow fastener loosening under vibration, leading to component shifting or structural joint failure on power generation and lighting equipment running continuously in the field.

A flat washer serves as a load-spreading interface between a fastener head or nut and the surface being clamped. By distributing the clamping force over a larger area, it prevents the fastener from embedding into or damaging the mating material, and it helps maintain consistent clamp load even when the assembly is subjected to vibration — a common condition on engine-driven generators and light towers. When a washer is missing, undersized, or made from an incompatible material, the fastener joint can loosen prematurely or cause surface damage that makes future service more difficult. On stainless steel variants like the 5000158899, the added benefit is resistance to rust and galvanic corrosion, which is particularly important in assemblies that see repeated exposure to rain, condensation, or temperature swings in outdoor power generation and lighting applications.

Part Details

Compatibility & Fitment

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.