O-RING (JLG JL9904103506)

JL9904103506: A damaged retaining ring can allow assembled components to separate during operation, leading to mechanical failure. This aftermarket replacement part references JLG catalog number JL9904103506. The retaining ring functions as a fastener that seats into a groove to hold parts in place. A worn or missing ring may cause unintended disassembly of the connected assembly. During routine service, a retaining ring should be inspected for deformation or breakage. Keeping a retaining ring in sound condition helps maintain secure component alignment. Verify the serial number or application, then call (562) 693-7748.

Part number variants: JL9904103506, jl9904103506