878000388 Cylinder Seal Kit for Komatsu WB97 WB140 WB150 Backhoe Loader

Premium 878000388 Cylinder Seal Kit for Komatsu Backhoe Loaders

Eliminate hydraulic fluid leaks and restore the versatile digging and loading power of your heavy machinery with the WINSCHEN premium 878000388 Cylinder Seal Kit. Engineered to withstand the tough operational pressures, heavy payloads, and demanding environments of construction and trenching, this high-quality aftermarket repair kit ensures your Komatsu backhoe loader operates safely and efficiently.

Key Features and Selling Points

• Manufactured to strict OEM specifications, ensuring a precise and seamless fit for hydraulic cylinders used in a massive range of Komatsu WB-Series backhoe loaders.
• Constructed from advanced elastomeric and heavy-duty PTFE materials to provide exceptional resistance to high hydraulic pressure, continuous rod friction, and extreme thermal variations.
• Effectively eliminates internal fluid bypass and external leakage, maintaining responsive hydraulic control and consistent mechanical force.
• This comprehensive seal kit includes all essential components—such as O-rings, buffer seals, and dust wipers—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 data, the 878000388 seal kit services the cylinders of the following Komatsu equipment:

• WB90 Series: WB91R-1, WB91R-2, WB93R-1, WB93R-2, WB95R-1, WB97R-1, WB97R-2, WB97S-2, WB98A-2
• WB140 Series: WB140-2, WB140-2N, WB140PS-2, WB140PS-2N
• WB150 Series: WB150-2, WB150-2N, WB150AWS-2, WB150AWS-2N, WB150PS-2, WB150PS-2N, WB150WSC-2
• Application: Hydraulic Cylinder Service / Rebuild

Specifications

To guarantee 100% fitment, please verify your machine’s model, serial number, and original cylinder part number with our dedicated support team prior to purchasing. We proudly offer fast and reliable global shipping to keep your projects on schedule.