O-RING (Komatsu KO300-63-11380)

A damaged retaining ring can allow assembled components to separate under load, leading to mechanical failure or loss of function. This aftermarket replacement part references the Komatsu catalog and cross-references part number KO300-63-11380. The retaining ring is a circular fastener that seats in a groove to secure a shaft or bore assembly. Its plain mechanical function is to prevent axial movement of a component within a housing. A common generic failure consequence is that a worn or broken ring may cause the retained part to shift, resulting in noise or disengagement. The item ships at approximately 0.04 pounds. Verify the serial number or application, then call (562) 693-7748.

Part number variants: KO300-63-11380, ko300-63-11380, KO3006311380, ko3006311380