Delphi FG1051 Fuel Module Where required, fuel assemblies include integrated fuel level sensing components that deliver an accurate reading of the fuel level in the tank to the fuel gauge Delphi fuel assemblies have undergone durability testing to ensure that they withstand up to 22 percent ethanol, in addition Delphi fuel pump assemblies are built with OE validated parts and include OEM grade wiring, electrical connectors and level sensor assemblies that deliver increased performance, durability and reliability over other aftermarket fuel pumps