Fuel pump Marine Suction 24V, universal 24V - 0.35 bar, 130 l/h, suction length 1.2m. Original Hardi Fits: For all types of fuel Gasoline, Diesel, Ethanol All HARDI-pumps have a special control system that allows adjustment of the pump capacity to the engine's consumption. This means that it will pump quickly during high consumption, slowly or not at all during low consumption, thereby saving a lot of energy (flexible pulse frequency).