PLUG - PIPE HEX SOCKET (Mitsubishi MB05504)

A damaged pipe plug can allow fluid leaks that compromise system pressure and lead to component wear. The Mitsubishi catalog reference for this aftermarket replacement part is MB05504. This hex socket plug seals threaded openings in fluid-carrying lines or reservoirs. Its plain mechanical function is to block the passage of oil, coolant, or other media under normal operating pressures. A generic failure consequence is that a loose or corroded plug may drip steadily, causing low fluid levels and eventual overheating or erratic operation. During routine service, a technician might replace this plug if the hex drive is stripped or the threads are damaged. Verify the serial number or application, then call (562) 693-7748.

Part number variants: MB05504, mb05504