With its line of OE replacement fuel pumps and modules, Delphi leverages more than 50 years of fuel system design and manufacturing experience to service the needs of the aftermarket. Delphi builds eight of the top 10 fuel pumps and six of the top 10 fuel modules sold in the aftermarket and offers four OE styles of electric fuel pumps: twin-turbine, single-turbine, rollervane and gerotor.