WASHER - LOCK (Hyundai HN9221-256-00B)

A damaged lock washer can compromise fastener security, leading to loosening under vibration. The Hyundai catalog reference HN9221-256-00B identifies this aftermarket replacement part. This washer type provides a plain mechanical function by creating tension between a nut and surface. A concrete generic failure consequence is that a missing or worn lock washer may allow bolted joints to separate during operation. Keeping a lock washer in sound condition helps maintain consistent clamping force over time. Verify the serial number or application, then call (562) 693-7748.

Part number variants: HN9221-256-00B, hn9221-256-00b, HN922125600B, hn922125600b