O-RING (Hyundai HN9511-42904)

HN9511-42904: A damaged retaining ring can allow assembled components to separate unexpectedly. During inspection, a retaining ring may show deformation or loss of tension. Keeping a retaining ring in sound condition helps maintain secure positioning of shafts and bores. This aftermarket replacement part references Hyundai catalog number HN9511-42904. The part type functions as a mechanical fastener that seats in a groove to prevent axial movement. A common failure consequence is that a worn ring can lead to component dislodgement under load. Verify the serial number or application, then call (562) 693-7748.

Part number variants: HN9511-42904, hn9511-42904, HN951142904, hn951142904