Cummins Engines, Filter, Compressor manufacturer / supplier in China, offering Original Oil Filter Head 4931572 4983355 4931571 4983354 Gasket 2830559 2831077, Qsc Engine Piston Kits 3800318 3800316 Piston 3942106 3943446 for Excavator, Genuine 6CT 240HP Engine Piston 3919565 3923164 3802398 3925878 and so on.