O-RING (Mitsubishi MB2I8977)

MB2I8977: A damaged retaining ring can allow assembled components to separate under load, leading to mechanical failure. This aftermarket replacement part references Mitsubishi as the OE maker and cross-references part number MB2I8977. The retaining ring functions as a mechanical fastener that seats into a groove to secure a shaft or bore assembly. When a retaining ring loses tension or breaks, the retained part may shift or dislodge during operation. In a typical repair context, a worn ring is often discovered during disassembly of a rotating or sliding assembly. The item ships at approximately 0.012 pounds. Verify the serial number or application, then call (562) 693-7748.

Part number variants: MB2I8977, mb2i8977