Excavator parts fuel injector return pipe Iron for D04FR engine

Excavator parts fuel injector return pipe Iron for D04FR engine

Now most cars have a return pipe in the fuel pump oil supply to the engine, the formation of a certain pressure in addition to the normal supply of fuel oil injection nozzle, the rest of the way back to the fuel tank of fuel through the return pipe, and of course the excess gas canister collect steam through the return line back to the tank return pipe also can back to the fuel tank of the excess oil, can rise to eliminate the pressure of the gas and can also reduce fuel consumption.

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