The Wacker Neuson Flat Washer is a genuine OEM flat washer designed for the GS10003G and GDS5500G series generators, including the GDS5500G LA variant. As a factory-original component, this washer is produced to the same specifications as the part it replaces, ensuring a correct, trouble-free installation. Keep this part on hand as a routine service item — having the right hardware at the ready prevents unnecessary delays when servicing your equipment. Compatible across the GS10003G, GDS5500G, and GDS5500G LA models covered under Wacker Neuson part number.
Key Features
- Genuine OEM Hardware Consistency — Manufactured to the same dimensional tolerances as the original, ensuring correct load distribution and secure fastening at every installation point.
- Direct Hardware Match — Drops into place exactly as the original, with no filing, shimming, or adjustment needed to achieve proper seating.
- Broad Generator Series Coverage — Fits the GS10003G and GDS5500G generator families, including the GDS5500G LA configuration, under a single part number.
- Protects Mating Surfaces — A correctly sized flat washer spreads fastener load evenly, preventing surface damage, deformation, and loosening under vibration — common failure points on generator assemblies.
- Sourced Directly from Wacker Neuson — Ordering genuine OEM hardware means the material grade and finish match what left the factory, keeping your assembly performing as originally engineered.
A flat washer serves as a load-distributing interface between a fastener — such as a bolt or nut — and the surface it secures. By spreading clamping force over a wider area, it prevents the fastener from pulling through or damaging softer materials and helps maintain consistent clamp load over time. On generator equipment like the GS10003G and GDS5500G, where vibration is a constant factor, using the correct washer in the correct location is essential to keeping fastened assemblies tight and structurally sound. Worn, missing, or incorrect washers can lead to loosened hardware, surface damage, and component misalignment over time.
Part Details
| Part Number | 5000408990 |
|---|---|
| Old Part Number | 0408990 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flat Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GS10003G | GS10003G (No-CE) | 5100079458 |
| GDS5500G | GDS5500G (No-CE) | 5100079460 |
| GDS5500G | GDS5500G LA | 5100079461 |
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.