707-99-38790 Hydraulic Boom Cylinder Seal Kit for Komatsu PC130 PC138

707-99-38790 Hydraulic Boom Cylinder Seal Kit – Premium Aftermarket Solution for Komatsu

Restore maximum lifting capacity and entirely eliminate hydraulic fluid leaks with this professional-grade 707-99-38790 boom cylinder seal kit. Specifically engineered for Komatsu’s highly efficient compact and mid-sized excavators, including the PC130, PC138, and PC138US series, this kit provides a high-performance sealing solution designed to handle continuous heavy lifting and rigorous earthmoving operations. Manufactured by WINSCHEN utilizing premium elastomeric materials, these seals are built to withstand extreme hydraulic pressures and abrasive site conditions.

Key Features and Selling Points

• Maximum Lifting Performance: Precision-engineered seals prevent internal fluid bypass, ensuring your excavator’s boom maintains consistent lifting force and eliminates cylinder drift under heavy payloads.
• Direct OEM Compatibility: Designed to seamlessly match Komatsu factory specifications for the boom cylinders of the PC130 and PC138 series, guaranteeing a perfect fit and a straightforward installation process.
• Industrial-Grade Durability: Highly resistant to hydraulic pressure spikes, elevated operating temperatures, and environmental contaminants such as dirt, rock dust, and moisture.
• Complete Overhaul Kit: Includes all essential O-rings, buffer rings, wear rings, and main packings required for a comprehensive and reliable boom 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 707-99-38790 seal kit fits the boom cylinders of the following Komatsu equipment:

• Komatsu Excavators: PC130, PC138, PC138US
• Application: Boom 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.