WASHER (Toyota TY0120107CCCCC)

A damaged washer can allow fastener loosening under vibration, leading to joint failure. Catalog reference TY0120107CCCCC is an aftermarket replacement part originally sourced from Toyota. This washer type provides a bearing surface for a fastener head or nut. Its plain mechanical function distributes clamping load to prevent surface damage. A common generic failure consequence is that a missing or crushed washer can cause a bolted joint to lose preload entirely. Keeping a washer in sound condition helps maintain consistent torque retention in assembled components. Verify the serial number or application, then call (562) 693-7748.

Part number variants: TY0120107CCCCC, ty0120107ccccc