707-98-34140 Boom Cylinder Seal Kit for Komatsu PC45-1 PC50UG-2 Excavator

Premium 707-98-34140 Boom Cylinder Seal Kit for Komatsu Excavators

Eliminate hydraulic fluid leaks and restore the powerful lifting capacity of your compact excavator with the WINSCHEN premium 707-98-34140 Boom Cylinder Seal Kit. Engineered specifically to withstand the frequent operational movements, high fluid pressures, and rugged environments of tight-space trenching and landscaping, this high-quality aftermarket repair kit ensures your Komatsu 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 Komatsu PC45-1 and PC50UG-2 series compact 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 tough loading operations.
• This comprehensive seal kit includes all essential precision components—such as dust seals, rod packings, piston rings, wear rings, back-up rings, and O-rings (including sub-components like 07145-00050, 707-51-55211, and 07000-12090)—required for a complete and reliable cylinder overhaul, directly replacing part number 707-98-34140.
• 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 707-98-34140 seal kit services the boom cylinders of the following Komatsu equipment:

• Mini / Compact Excavators: PC45-1, PC50UG-2
• 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 compact equipment working hard.