... 3,made in China and Improt 4,improt package piston ring for cummins: 1 Original Cummins engine and parts2 Part number ... :all you want3 Package : Original packaging4 Just for Cummins series engine use5 Reliable quality and goodafter sale ... Filter Fuel Filter water filter Oil Cooler Core4Piston,Piston Pin, Piston Cooling Nozzle,Piston Ring5Oil Pump,Water Pump,fuel transfer pump.fuel ...