707-99-58080 Hydraulic Cylinder Seal Kit for Komatsu PC300 PC350 PC360

707-99-58080 Hydraulic Cylinder Seal Kit – Premium Aftermarket Solution for Komatsu

Restore maximum hydraulic power and eliminate fluid leaks with this professional-grade 707-99-58080 cylinder seal kit. Specifically engineered for a wide range of Komatsu excavators, including the PC300, PC350, and PC360 series (as well as HD and LL heavy-duty forestry variants), this kit provides a high-performance sealing solution designed to handle demanding earthmoving, trenching, and material handling operations. Manufactured by WINSCHEN utilizing premium elastomeric materials, these seals are built to withstand the extreme hydraulic pressures and abrasive environments of heavy job sites.

Key Features and Selling Points

• Superior Leak Protection: Precision-engineered seals prevent internal fluid bypass, ensuring your excavator’s hydraulic cylinders maintain consistent breakout force and avoid drift under heavy payloads.
• Direct OEM Compatibility: Designed to seamlessly match Komatsu factory specifications for the PC300 through PC380 series, guaranteeing a perfect fit and a straightforward installation process.
• Industrial-Grade Durability: Highly resistant to hydraulic pressure surges, intense friction, and environmental contaminants such as dirt, sand, and moisture.
• Complete Overhaul Kit: Includes all essential O-rings, buffer rings, wear rings, and main packings required for a comprehensive and reliable cylinder rebuild.
• Minimize Equipment Downtime: A dependable, cost-effective aftermarket alternative that returns your Komatsu machinery to peak production capacity quickly.

Compatible Equipment Models

Based on official catalog data, the 707-99-58080 seal kit fits the hydraulic cylinders of the following Komatsu equipment:

• Komatsu Excavators: PC300, PC300HD, PC300LL, PC340, PC350, PC350HD, PC350LL, PC360, PC380
• Application: Hydraulic Cylinder Service

Specifications

Need to verify fitment for your specific Komatsu machine? Contact our technical support team for expert assistance. We offer fast global shipping to keep your heavy equipment operational.