The Wacker Neuson Pin Cap Lock Washer is a genuine OEM component designed for the Hydraulic Thumb attachment. As a direct factory part, it is manufactured to the same specifications as the original and drops into place without modification. Sourced straight from Wacker Neuson, this washer gives you full confidence that you are installing the correct part for your application.
Key Features
- OEM Retention Integrity — Manufactured to Wacker Neuson's original material and dimensional spec, ensuring the washer seats and locks with the same holding force as the factory-installed part.
- Direct-Fit Installation — Engineered to match the original pin cap assembly geometry on the Hydraulic Thumb, so it installs in the existing position without rework or shimming.
- Confirmed Hydraulic Thumb Compatibility — Verified fitment for the Wacker Neuson Hydraulic Thumb (5000176274), taking the guesswork out of sourcing the right washer.
- Secure Pin Retention — Keeps the pin cap locked in position during operation, preventing unwanted movement or walk-out that could compromise the thumb's articulation and gripping performance.
- Genuine Wacker Neuson Part — Supplied as an authorized OEM replacement, so the part number, material grade, and form factor are identical to what left the factory.
A pin cap lock washer is a small but critical retention component that holds a pivot or hinge pin securely within its bore. It sits against the cap end of the pin and prevents the assembly from backing out under the repeated load and vibration that a hydraulic thumb experiences during digging, sorting, and gripping cycles. When a lock washer wears flat, cracks, or goes missing entirely, the pin loses its positive retention, leading to slop in the attachment's movement and accelerated wear on the surrounding hardware.
Part Details
| Part Number | 5000192439 |
|---|---|
| Old Part Number | 0192439 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pin Cap Lock Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydraulic thumb | Hydraulic thumb | 5000176274 |
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.