RING - PISTON (Mitsubishi MB2I8181)

MB2I8181: A worn retaining ring can allow a piston to shift, leading to loss of compression or mechanical damage. This aftermarket replacement part references Mitsubishi as the OE maker and cross-references part number MB2I8181. The retaining ring secures the piston within its bore by snapping into a groove, preventing axial movement during operation. If the ring fails, the piston may dislodge, causing sudden power loss or internal scoring. Keeping a retaining ring in sound condition helps maintain consistent piston positioning under load. This item ships at approximately 0.02 pounds. Verify the serial number or application, then call (562) 693-7748.

Part number variants: MB2I8181, mb2i8181