707-99-72080 Hydraulic Bucket Cylinder Seal Kit for Komatsu PC300 PC360 PC390

707-99-72080 Hydraulic Bucket Cylinder Seal Kit – Premium Aftermarket Solution for Komatsu

Restore maximum digging force and eliminate hydraulic fluid leaks with this professional-grade 707-99-72080 bucket cylinder seal kit. Specifically engineered for Komatsu PC300, PC350, PC360, and PC390 heavy-duty excavators, this kit provides a high-performance sealing solution designed to handle demanding earthmoving and trenching operations. Manufactured by WINSCHEN utilizing premium elastomeric materials, these seals are built to withstand the extreme hydraulic pressures and abrasive environments of heavy construction sites.

Key Features and Selling Points

• Superior Leak Protection: Precision-engineered seals prevent internal fluid bypass, ensuring your excavator’s bucket maintains consistent breakout power and avoids cylinder drift under heavy loads.
• Direct OEM Compatibility: Designed to seamlessly match Komatsu factory specifications for the bucket cylinders of the PC300 to PC390 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 bucket 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 707-99-72080 seal kit fits the bucket cylinders of the following Komatsu equipment:

• Komatsu Heavy Excavators: PC300, PC350, PC360, PC390, PC390LL
• Application: Bucket 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.