RING -WEAR (Nissan NICK3777103)

NICK3777103: A worn retaining ring can allow assembled components to separate during operation, leading to sudden mechanical failure. This aftermarket replacement part references Nissan catalog number NICK3777103. The ring functions as a fastener that seats into a groove to hold parts in axial position. When the ring loses tension or breaks, shafts or bearings may shift out of place. A common consequence is unexpected disengagement of rotating or sliding elements. Keeping the ring in sound condition helps maintain secure assembly under normal loads. Verify the serial number or application, then call (562) 693-7748.

Part number variants: NICK3777103, nick3777103