External inline fuel pump compatiable with GSL392, 400-939, GSL392-400-939. 1 x GSL392 255LPH Fuel Pump. OEM / Interchange Numbers: GSL392,GSL-392, 400-939, 400939, 255LPH, 255 LPH. -High Quality Materials, Inline Fuel Pump Is Constructed Of Premium Material For.