PLUG (Mitsubishi MB1039055)

A damaged plug can allow debris or moisture into an opening, leading to corrosion or contamination of adjacent components. The aftermarket replacement part references Mitsubishi as the OE maker and cross-references part number MB1039055. This plug serves as a closure device, sealing an unused port or opening in a mechanical assembly. Its plain mechanical function is to block the passage of fluids or particles through a threaded or press-fit hole. A common generic failure consequence is that a missing or deteriorated plug may cause system leaks or accelerated wear on nearby parts. The item ships at approximately 0.07 pounds. Verify the serial number or application, then call (562) 693-7748.

Part number variants: MB1039055, mb1039055