WASHER-FL38ODX15IDX4THK (Nissan NI11237-40K00)

A worn washer can cause fastener loosening and component misalignment over time. This aftermarket replacement part references Nissan catalog number NI11237-40K00. The washer type provides a bearing surface between a fastener head and the mating part. Its plain mechanical function distributes clamping load to prevent surface damage. A generic failure consequence is that a missing or deformed washer may allow the fastener to loosen under vibration. During routine service, technicians often replace washers that show signs of crushing or corrosion. Verify the serial number or application, then call (562) 693-7748.

Part number variants: NI11237-40K00, ni11237-40k00, NI1123740K00, ni1123740k00