O-RING (Komatsu KO6736-51-8710)

KO6736-51-8710: A damaged retaining ring can allow assembled components to separate under load, leading to mechanical failure. This aftermarket replacement part references the Komatsu catalog and cross-references part number KO6736-51-8710. The retaining ring functions as a mechanical fastener that seats in a groove to secure a shaft or bore assembly. When a retaining ring fails, the retained part may shift or disengage, causing misalignment or seizure. During a routine teardown, a technician may find a ring that has lost its spring tension or shows surface corrosion. Verify the serial number or application, then call (562) 693-7748.

Part number variants: KO6736-51-8710, ko6736-51-8710, KO6736518710, ko6736518710