The Wacker Neuson Seal Kit (44-4991s) is a genuine OEM seal kit designed for the Hydraulic Thumb attachment. As a factory-sourced component, this kit delivers the exact seal materials, dimensions, and compression ratings specified for the Hydraulic Thumb, ensuring a proper, leak-free rebuild. It is confirmed to fit Hydraulic Thumb models and, making it the straightforward choice when restoring hydraulic function on these attachments. Keep a kit on hand to turn around hydraulic thumb repairs quickly and get the attachment back to work.
Key Features
- OEM Seal Material and Compression Integrity — Genuine Wacker Neuson seals are manufactured to the exact material grade and compression specifications required for this hydraulic thumb circuit, preventing premature failure from incompatible seal compounds.
- Complete Kit for Full Cylinder Rebuild — All necessary seals are included in a single kit, so the hydraulic thumb cylinder can be fully rebuilt without sourcing individual components separately.
- Confirmed Fitment for Hydraulic Thumb Attachments — Directly compatible with Wacker Neuson Hydraulic Thumb units 5000176273 and 5000176407, so you can order with confidence.
- Restores Full Hydraulic Clamping Force — Worn or damaged seals cause the hydraulic thumb to lose holding pressure and cycle sluggishly; a fresh seal kit brings clamping performance back to its original operating specification.
- Genuine OEM Part Number 5000192410 — Sourced directly through the Wacker Neuson parts supply chain, so the part number, kit contents, and packaging are exactly what the factory intended for this service procedure.
A hydraulic thumb seal kit contains all the internal seals, O-rings, and wipers needed to rebuild the hydraulic cylinder that drives the thumb attachment. These seals maintain the pressurized fluid boundary inside the cylinder, allowing the thumb to grip, hold, and release material with consistent force. When seals wear or crack — due to age, heat cycling, or contamination — hydraulic fluid bypasses them internally, causing the thumb to drift, lose grip strength, or fail to hold position under load. Replacing the full seal kit restores the cylinder's ability to hold pressure and gives the thumb predictable, responsive control during digging and sorting work.
Part Details
| Part Number | 5000192410 |
|---|---|
| Old Part Number | 0192410 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seal Kit (44-4991s) |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydraulic thumb | Hydraulic thumb | 5000176273, 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.