GEAR RING (JLG JL4272545)

JL4272545: A damaged retaining ring can allow assembled components to separate during operation, leading to mechanical failure. This aftermarket replacement part references JLG catalog number JL4272545. The gear ring functions as a circular fastener that seats into a groove to hold components in axial position. Its plain mechanical function is to prevent lateral movement of parts on a shaft or within a bore. A concrete generic failure consequence is that a worn or broken ring may cause unintended disassembly, resulting in costly downtime. Keeping a retaining ring in sound condition helps maintain secure component alignment under load. Verify the serial number or application, then call (562) 693-7748.

Part number variants: JL4272545, jl4272545