The Wacker Neuson Washer is a genuine OEM component designed for the Hydraulic Thumb attachment. Sourced directly from Wacker Neuson, this washer meets the exact specifications of the original part, ensuring a correct, trouble-free installation every time. If you're servicing or rebuilding a Hydraulic Thumb, using the correct OEM washer helps maintain the integrity of the fastener assembly and the overall attachment.
Key Features
- OEM-Spec Load Distribution — Manufactured to Wacker Neuson's original dimensional tolerances, so bearing surfaces are properly protected and fastener loads are distributed exactly as designed.
- Drop-In Installation — Matches the original hole diameter and outer profile of the factory washer, seating flush without adjustment or rework during reassembly.
- Confirmed Fitment for Hydraulic Thumb — Verified for use with the Wacker Neuson Hydraulic Thumb, so you can order with confidence and avoid compatibility guesswork.
- Protects Fastener Integrity — A worn or missing washer allows fastener heads to pull through or damage mating surfaces; the correct replacement restores clamping force and prevents premature joint failure.
- Genuine Wacker Neuson Part — Backed by Wacker Neuson's OEM supply chain, this washer carries the same material grade and dimensional quality as the part that left the factory.
A washer is a thin, flat disc placed under a fastener — such as a bolt or nut — to spread the clamping load across a wider surface area. In hydraulic attachment assemblies like the Hydraulic Thumb, washers also prevent fastener heads from damaging softer mating surfaces and help maintain consistent tension over time and under vibration. When a washer becomes worn, deformed, or missing, fastener preload is compromised, which can lead to loosening, surface damage, and eventual structural failure of the joint.
Part Details
| Part Number | 5200021921 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydraulic thumb | Hydraulic thumb | 5000176407 |
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.
