WASHER (Komatsu KO3EB-15-11260)

KO3EB-15-11260: A worn washer can compromise the clamping force of a bolted joint, leading to loosening over time. This aftermarket replacement part references the Komatsu catalog number KO3EB-15-11260. The washer functions as a load-distributing spacer between a fastener head and the mating surface. Its primary mechanical role is to prevent galling and reduce surface wear during tightening. A common failure consequence is that a crushed or missing washer allows the fastener to embed into the softer material, reducing preload. During routine service, checking washer condition helps avoid fastener loosening under vibration. Verify the serial number or application, then call (562) 693-7748.

Part number variants: KO3EB-15-11260, ko3eb-15-11260, KO3EB1511260, ko3eb1511260