O-RING (Komatsu KO3EA-15-43490)

KO3EA-15-43490: A worn retaining ring can allow components to shift, leading to mechanical failure. The Komatsu catalog reference KO3EA-15-43490 identifies this aftermarket replacement O-ring. This part type functions as a circular seal that prevents fluid or gas leakage between joined surfaces. A plain mechanical function is to maintain compression between mating parts. A concrete generic failure consequence is that a degraded O-ring can cause gradual pressure loss in a sealed system. A realistic usage context is that these seals are commonly replaced during routine disassembly of pressurized assemblies. Verify the serial number or application, then call (562) 693-7748.

Part number variants: KO3EA-15-43490, ko3ea-15-43490, KO3EA1543490, ko3ea1543490