4649051 Arm Cylinder Seal Kit for Hitachi Excavators ZX210K-3 ZX225USRK-3 ZX240-3 ZX350K-3

4649051 Hydraulic Arm Cylinder Seal Kit – Premium Aftermarket Repair Solution for Hitachi

Restore the full digging power of your Hitachi Zaxis excavator and eliminate hydraulic fluid leaks with this professional-grade 4649051 arm cylinder seal kit. Specifically engineered for Hitachi’s heavy-duty ZX-3 and ZX-5B series, this kit provides a complete, high-performance sealing solution for the arm (stick) cylinder. Manufactured by WINSCHEN using advanced, industrial-grade elastomeric materials, these seals are designed to withstand the extreme pressures and abrasive conditions of heavy excavation and mining.

Key Features and Selling Points

• Maximum Leak Protection: Precision-engineered wipers, buffer seals, and U-cups prevent fluid bypass, ensuring consistent arm extension and retraction power.
• Direct OEM Compatibility: Designed to seamlessly match Hitachi factory cylinder specifications for a quick, hassle-free installation.
• Industrial-Grade Durability: Superior resistance to high hydraulic pressure, heat, and abrasive site contaminants like dirt, mud, and gravel.
• Complete Overhaul Kit: Includes all essential replacement components required for a comprehensive rebuild of your arm cylinder, ensuring peak performance.
• Minimize Equipment Downtime: A reliable, cost-effective aftermarket alternative that gets your Hitachi fleet back to work quickly without compromising quality.

Compatible Equipment Models

• Hitachi ZX-3 Series: ZX210K-3, ZX240-3, ZX330-3, ZX350-3, ZX450-3, ZX470H-3
• Hitachi ZX-5B Series: ZX250LC-5B, ZX350LC-5B

Specifications