169-7828 Cylinder Seal Kit for Caterpillar 307C 308C 312C L Excavator

Premium 169-7828 Cylinder Seal Kit for Caterpillar Excavators

Eliminate hydraulic fluid leaks and restore the precision digging power of your mini and mid-sized excavators with the WINSCHEN premium 169-7828 Cylinder Seal Kit. Engineered to withstand the demanding pressures, continuous duty cycles, and rugged environments of construction sites, this high-quality aftermarket repair kit ensures your Caterpillar equipment operates reliably with zero pressure loss.

Key Features and Selling Points

• Manufactured to strict OEM dimensions, ensuring a precise and seamless fit for the hydraulic cylinders (including cylinder 165-9301) used in CAT 307, 308, and 312 series excavators.
• Constructed from advanced elastomeric and heavy-duty wear-resistant materials, providing exceptional resistance to high hydraulic pressure, continuous friction, and extreme thermal variations.
• Effectively eliminates internal fluid bypass and external leakage, maintaining responsive hydraulic control and consistent mechanical force.
• This comprehensive repair solution contains all essential components—such as O-rings, buffer seals, U-cups, lip seals, backup rings, and retaining rings—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 169-7828 seal kit services the cylinders of the following Caterpillar equipment:

• Mini / Mid-Sized Excavators: 307B, 307C, 307D, 308C, 308D, 312C L
• Associated Cylinder: 165-9301 (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.