O-RING (Komatsu KO6732-51-4420)

KO6732-51-4420: A damaged retaining ring can allow assembled components to separate under load, leading to mechanical failure. This aftermarket replacement part references Komatsu catalog number KO6732-51-4420. The retaining ring functions as a fastener that seats in a groove to hold parts in place. Its plain mechanical role is to prevent axial movement of a shaft or bore assembly. A common failure consequence is that a worn or broken ring may cause the retained part to shift, resulting in noise or loss of function. During routine service, a retaining ring should be inspected for deformation or cracks. Verify the serial number or application, then call (562) 693-7748.

Part number variants: KO6732-51-4420, ko6732-51-4420, KO6732514420, ko6732514420