Dust seal rings are used across multiple excavator systems, including:

Hydraulic Cylinders

The most common application—dust seals protect piston rods from contamination during extension and retraction.

Swing and Travel Bearings


These rotating components require clean lubrication; dust seals block external grit from entering.

Transmission and Gear Systems


Seals maintain proper lubrication by preventing dirt from mixing with transmission oil.

Linkage Pins and Bushings



Dust seals prevent mud and soil from damaging joints and pivot points.

KJC SEAL is a trusted leader in dust seal manufacturing, offering sealing solutions engineered for high-performance excavators.

* High-quality dust seal materials with excellent wear resistance


* Advanced manufacturing precision ensuring perfect fit and long service life


* Reliable performance in extreme environments—mud, sand, heat, and heavy workloads


Whether you need standard dust-proof seals or customized solutions, KJC SEAL delivers consistent quality and durability.