105-7379 Cylinder Seal Kit for Caterpillar 315 315A 317 Excavator

Premium 105-7379 Cylinder Seal Kit for Caterpillar Excavators

Eliminate hydraulic fluid leaks and restore the maximum operational power of your excavator with the WINSCHEN premium 105-7379 Cylinder Seal Kit. Engineered to withstand the rigorous demands, heavy payloads, and continuous duty cycles of earthmoving and construction environments, this high-quality aftermarket repair kit ensures your Caterpillar equipment performs efficiently and safely.

Key Features and Selling Points

• Manufactured to strict OEM dimensions, ensuring a precise and seamless fit for the hydraulic cylinders (including cylinder 114-0473) used in CAT 315, 315A, and 317 excavators.
• Constructed from advanced elastomeric, polyurethane, and heavy-duty wear-resistant materials to provide exceptional resistance to high hydraulic pressure, continuous rod friction, and thermal variations.
• Effectively eliminates internal fluid bypass and external leakage, maintaining responsive hydraulic control and consistent digging force.
• This comprehensive repair solution contains all essential components—including O-rings, buffer seals, U-cups, backup rings, and specialized seal assemblies—required for a complete and dependable 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 cross-reference data, the 105-7379 seal kit services the cylinders of the following Caterpillar equipment:

• Excavators: 315, 315-A (315A), 317
• Associated Cylinder: 114-0473 (Cylinder As)
• 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.