O-RING (Komatsu KO6742-01-3390)

KO6742-01-3390: A worn retaining ring can lead to component separation during operation. This aftermarket replacement part references the Komatsu catalog number KO6742-01-3390. The retaining ring functions as a mechanical fastener that holds assembled parts in a fixed position. A failed ring may allow a shaft or bearing to shift, causing misalignment or sudden disassembly. In a typical repair context, the ring is removed and replaced during disassembly of a joint or housing. The part is a simple circular clip that seats into a groove. Verify the serial number or application, then call (562) 693-7748.

Part number variants: KO6742-01-3390, ko6742-01-3390, KO6742013390, ko6742013390