Wacker Neuson 5100036772 Lock Washer — Genuine OEM for G-Series Generators

The Wacker Neuson Lock Washer is a genuine OEM lock washer designed for the G70, G100, G130, and G150 generator series. Sourced directly from Wacker Neuson, this is the exact component specified for these machines — not a generic substitute. It is confirmed to fit multiple G-series configurations, including Custom T4F, Custom T4, and Custom T4i variants, as well as URI HVAC T4F models. When you need the right part the first time, is what the machine calls for.

Key Features

• Genuine OEM Locking Integrity — Manufactured to the exact hardness and dimensional tolerances required for secure fastener retention in Wacker Neuson generator assemblies.
• Drop-In Replacement — Matches the original mounting position and fastener thread profile, so installation is straightforward with no fitment guesswork.
• Broad G-Series Compatibility — Fits G70, G100, G130, and G150 generators across Custom T4F, Custom T4, Custom T4i, and URI HVAC T4F configurations.
• Prevents Fastener Back-Out — A correctly seated lock washer maintains clamp load under vibration; a worn or missing one allows fasteners to loosen, which can lead to component misalignment or damage over time.
• Verified Wacker Neuson Part Number — Order with confidence knowing 5100036772 is the OEM-designated part for these generator models, eliminating cross-reference uncertainty.

A lock washer sits beneath a fastener to resist loosening caused by vibration and dynamic loads — both of which are constant in generator operation. By biting into the mating surfaces when torqued down, the washer creates friction that keeps the fastener from backing out during extended run cycles. When a lock washer fails, deforms, or goes missing, the fastener it secures can work loose, potentially shifting critical components out of alignment or causing accelerated wear on surrounding hardware.

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.