331/39047 Dipper Arm Cylinder Seal Kit for JCB JS200 JS210 JS220 Excavator

Premium 331/39047 Dipper Cylinder Seal Kit for JCB Excavators

Eliminate hydraulic fluid leaks and restore the powerful pulling and digging capabilities of your heavy equipment with the WINSCHEN premium 331/39047 Dipper Arm Cylinder Seal Kit. Engineered to withstand the extreme operational pressures, heavy payloads, and rugged environments of earthmoving and construction, this high-quality aftermarket repair kit ensures your JCB excavator operates safely and efficiently with zero pressure loss.

Key Features and Selling Points

• Manufactured to strict OEM dimensions for a 130mm bore x 95mm rod configuration, ensuring a precise and seamless fit for the dipper (arm) hydraulic cylinders used in JCB JS200, JS210, and JS220 series excavators.
• Constructed from advanced elastomeric, polyurethane, and heavy-duty wear-resistant materials to provide exceptional resistance to high hydraulic pressure, continuous rod friction, and extreme thermal variations.
• Effectively eliminates internal fluid bypass and external leakage, preventing dipper arm drift and maintaining highly responsive, consistent mechanical force during tough digging operations.
• This comprehensive seal kit includes all essential precision components—such as U-rings, wiper seals, O-rings, backup rings, piston seals, buffer rings, slide rings, and cushion rings—required for a complete and reliable cylinder overhaul.
• A cost-effective, highly reliable aftermarket alternative that meets or exceeds original equipment standards, minimizing your machine’s routine maintenance downtime.

Compatible Equipment Models

Based on official catalog and parts cross-reference data, the 331/39047 seal kit services the dipper cylinders of the following JCB equipment:

• Tracked Excavators (JS Series): JS200, JS210, JS220
• Application: Dipper / Arm 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 projects on schedule.