RING - BACK UP (Komatsu KO3ED-64-41240)

KO3ED-64-41240: A damaged retaining ring can allow assembled components to shift or separate during operation. The RING - BACK UP is an aftermarket replacement part cross-referenced to Komatsu part number KO3ED-64-41240. This type of ring functions as a mechanical stop that holds parts in position within a bore or on a shaft. When a back-up ring fails, the primary seal or retaining element may lose support, leading to leakage or disassembly. During service, a worn or deformed ring often indicates that the assembly has experienced excessive axial load. Verify the serial number or application, then call (562) 693-7748.

Part number variants: KO3ED-64-41240, ko3ed-64-41240, KO3ED6441240, ko3ed6441240