You've run out of gas... again. The gauge shows that you still have gas. What gives? Maybe it's time for a new fuel tank sending unit from Original Parts Group. These sending units are exact reproductions guaranteed to perform flawlessly. Manufactured from stainless steel for rust resistance, OPGI fuel tank sending units include an O-ring for sealing, as well as a 1/4 in. return line on selected models. If running on empty is not your idea of excitement, install a new fuel sending unit from Original Parts Group for accurate gas levels.