Fuel System, Fuel Pump, Fuel Injector manufacturer / supplier in China, offering Original Isl Qsc Diesel Exhaust Recirculation Valve EGR Valve 5473228 4955484, 0444042136 Urea Pump 4387658 for Delong JAC Hualing Jieli, Reliable Urea Dosing Pump 5273337 for Cummins Isb/Qsb6.7 Engines and so on.