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 and dimensions that Wacker Neuson specifies for this application, ensuring a proper, leak-free service restore. Keep this kit on hand as part of your scheduled hydraulic maintenance to protect the attachment's long-term performance and integrity.
Key Features
- OEM-Grade Seal Material: — Manufactured to Wacker Neuson's exact compound and durometer specifications, so seals compress and seat correctly under hydraulic pressure without premature extrusion or weeping.
- Complete Service Kit: — Includes all seals needed for a full Hydraulic Thumb rebuild in a single kit, eliminating the need to source individual components separately.
- Correct Fit for the Hydraulic Thumb: — Engineered specifically for the Wacker Neuson Hydraulic Thumb (part number 5000176274), so seals align to every bore and groove without trimming or shimming.
- Restores Full Hydraulic Holding Force: — Worn or damaged seals cause internal bypass and loss of gripping pressure; replacing them with 5000192448 restores the thumb's rated clamping capacity and cycle speed.
- Hydraulic Integrity at Pressure: — Proper sealing prevents contamination ingress and fluid loss, protecting cylinder bores and internal components from accelerated wear during demanding demolition or excavation cycles.
A hydraulic thumb relies on a sealed cylinder to generate and hold the clamping force that grips material between the thumb and the bucket. The seals within that cylinder prevent hydraulic fluid from bypassing the piston, maintaining consistent pressure and responsive control. When seals degrade — through heat cycling, abrasion, or age — the cylinder loses holding force, response becomes sluggish, and fluid may leak externally, signaling that a full seal replacement is needed.
Part Details
| Part Number | 5000192448 |
|---|---|
| Old Part Number | 0192448 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seal Kit (44-4991s) |
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.
Wacker Neuson
Wacker Neuson 5000192444 Hydraulic Cylinder (600-4991)
