6X Diesel Fuel Injector 3802485 3802485RX for Cummins 6CT 6CT8.3 ISC QSC Engine. MOTTROL USA EXCAVATOR PARTS DEPOT YOUR BEST SOURCE FOR OEM QUALITY EXCAVATOR PARTS. For the parts described with both part number and application machine model or engine model, please make sure to order according to the part number, the application machine model or engine model is just for reference.