Diesel Engine, Diesel Engine Parts, Cummins manufacturer / supplier in China, offering Cummins piston 4345773 3178997 3096685 for Engine K19 K38 K50 Series, Cummins Piston 4939181 5336105 5255257 for Engine ISB QSB Series, High Quality Aftermarket Water Transfer Connection 3920945 3920946 for Enigne B3.9 B5.9 Series and so on.