RING - RETAINING (Mitsubishi MB1921-64106)

MB1921-64106: A damaged retaining ring can allow a shaft or bearing to shift out of position, leading to mechanical failure. This aftermarket replacement part references Mitsubishi as the OE maker and carries the cross-reference number MB1921-64106. The ring functions as a fastener that sits in a groove to secure components axially. A common failure consequence is that a worn or broken ring may cause unintended disassembly during operation. Keeping a retaining ring in sound condition helps maintain proper alignment of rotating parts. Verify the serial number or application, then call (562) 693-7748.

Part number variants: MB1921-64106, mb1921-64106, MB192164106, mb192164106