4624394 Boom Cylinder Seal Kit for Hitachi ZX230 ZX240 ZX250 Excavator

Premium 4624394 Boom Cylinder Seal Kit for Hitachi Excavators

Eliminate hydraulic fluid leaks and restore the powerful lifting capacity of your excavator with the WINSCHEN premium 4624394 Boom Cylinder Seal Kit. Engineered specifically to withstand the extreme operational pressures, heavy payloads, and rugged environments of construction, quarrying, and earthmoving, this high-quality aftermarket repair kit ensures your Hitachi equipment operates safely and efficiently with zero pressure loss.

Key Features and Selling Points

• Manufactured to strict OEM dimensions, ensuring a precise and seamless fit for the boom hydraulic cylinders used in Hitachi ZX230, ZX240, and ZX250 series excavators.
• Constructed from advanced elastomeric, polyurethane, and heavy-duty wear-resistant materials to provide exceptional resistance to high hydraulic pressure spikes, continuous rod friction, and extreme thermal variations.
• Effectively eliminates internal fluid bypass and external leakage, preventing boom drift and maintaining highly responsive, consistent lifting force during demanding loading operations.
• This comprehensive seal kit includes all essential precision components—such as U-rings, wiper rings, back-up rings, slide rings, seal rings, and O-rings (including sub-components like 0105301, 4428492, and A811120)—required for a complete and reliable cylinder overhaul, directly replacing part number 4624394.
• A cost-effective, highly reliable aftermarket alternative that meets or exceeds original equipment standards, minimizing your machine’s routine maintenance downtime and maximizing on-site productivity.

Compatible Equipment Models

Based on official catalog and parts cross-reference data, the 4624394 seal kit services the boom cylinders of the following Hitachi equipment:

• Excavators: ZX230, ZX240H, ZX240K, ZX250-AMS, ZX250-HCME
• Application: Boom Cylinder Hydraulic Service & Rebuild

Specifications

To guarantee 100% fitment, please verify your machine’s model, serial number, and original cylinder configuration with our dedicated support team prior to purchasing. We proudly offer fast and reliable global shipping to keep your heavy equipment working hard.