CATERPILLAR 170-9839 Seal-Buffer 1709839

Caterpillar 170-9839 Seal-Buffer – OEM-Grade Durability for Excavators and Loaders

The Caterpillar 170-9839 Seal-Buffer is a precision-engineered component designed to deliver exceptional sealing performance and buffer protection across a wide range of Caterpillar excavators and wheel-type loaders. Compatible with models including 2PM-307-A, 2WM-307, 5TG-E70B, 6AK-E70B, 3BG-E70, and mini hydraulic excavators such as 2WM-307-A, 5CW-307B, 9ZL-307, and 3YS-308B, as well as wheel loaders 8BS-908 and TAR-908, this seal-buffer ensures optimal drivetrain integrity under demanding load conditions. Manufactured to OEM specifications, the 170-9839 features advanced metallurgy and precision dimensions that provide superior resistance to wear, hydraulic fluid leakage, and environmental contaminants.

Technically, the 170-9839 Seal-Buffer incorporates high-grade elastomeric materials combined with robust metal reinforcements to maintain sealing efficiency in high-pressure hydraulic systems. Its design supports dynamic load absorption and vibration dampening, which prolongs component life and reduces maintenance intervals. The seal-buffer’s exact fitment minimizes downtime and enhances machine reliability, making it an essential part for maintaining the performance and safety of Caterpillar heavy equipment. Whether operating in construction, mining, or industrial applications, this component stands out for its durability, precision engineering, and seamless integration with Caterpillar’s drivetrain systems.

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