SPRING (Nissan NIC521103654540)

NIC521103654540: A worn retaining ring can allow assembled components to separate during operation. This aftermarket replacement part references Nissan catalog number NIC521103654540. The spring-type retaining ring exerts radial pressure to hold parts in a fixed position. When a retaining ring loses tension, the secured component may shift or dislodge unexpectedly. A failed retaining ring often leads to rattling or loosening of the surrounding assembly. Verify the serial number or application, then call (562) 693-7748. Routine replacement of a fatigued retaining ring helps maintain secure assembly.

Part number variants: NIC521103654540, nic521103654540