Fit For VW Crafter Fuel return line Fuel return hose Tank Line Hose Pipe Injector Hose OE0928402005 --Y

Now most cars have a return oil pipe, in the fuel pump to the engine, the formation of a certain pressure in addition to the normal supply of fuel nozzle injection, the remaining fuel through the return oil pipe sent back to the tank, of course, there are carbon tank collected by the excess gasoline steam back to the oil tank through the return oil pipe return oil pipe can put excess oil back to the tank, can play the pressure of gasoline discharge, It also reduces fuel consumption.