The Wacker Neuson Spring Washer is a genuine OEM Spring Washer designed for the GP3800A, GP5600A, and GP6600A generator series. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original component installed at the factory, ensuring a direct, hassle-free replacement. It is confirmed compatible across all three GP-series generator models listed, so you can order with confidence knowing this is the correct part for your machine.
Key Features
- Genuine OEM Tension Integrity — Manufactured to the exact spring-rate and load tolerances of the original, maintaining consistent clamping force under vibration and thermal cycling.
- Drop-In Replacement — Matches the original seat diameter and thickness, seating correctly without rework or additional hardware.
- Confirmed GP-Series Fitment — Verified for the GP3800A, GP5600A, and GP6600A Wacker Neuson generators.
- Vibration Resistance — A correctly functioning Spring Washer prevents fastener loosening under the continuous vibration loads typical of generator operation; a worn or flattened washer can allow critical fasteners to back out over time.
- Genuine Wacker Neuson Part — Part number 5100043899 is an authorized Wacker Neuson component, backed by the brand's OEM supply chain for consistent quality batch to batch.
A Spring Washer is a small but essential fastening component that uses its curved, split, or wave profile to apply continuous spring tension against a fastener and mating surface. This tension compensates for minor movement, vibration, and thermal expansion, preventing bolts and screws from backing out during operation. When a Spring Washer loses its tension — through fatigue, corrosion, or over-compression — fasteners in the assembly can work loose, leading to component misalignment, noise, or more serious mechanical failures over time.
Part Details
| Part Number | 5100043899 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spring Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GP3800A | GP3800A | 5100041978 |
| GP5600A | GP5600A | 5100041979 |
| GP6600A | GP6600A | 5100042220 |
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.