WASHER (Mitsubishi MB1009441)

A worn washer can lead to loosening of fastened components over time. This aftermarket replacement part references Mitsubishi as the OE maker and cross-references part number MB1009441. The washer functions as a load-distributing spacer placed under a nut or bolt head. Its plain mechanical role is to prevent surface damage and reduce fastener loosening from vibration. A generic failure consequence is that a missing or crushed washer may allow the fastener to embed into the mating surface. Verify the serial number or application, then call (562) 693-7748. This catalog reference is for a hardware washer category part.

Part number variants: MB1009441, mb1009441