Engines & Engine Parts. Exterior Parts & Accessories. Air Conditioning & Heating. Golf Cart Parts & Accessories. Motorcycle & Scooter Parts &. Heavy Equipment Parts & Access. Ignition Systems & Components. Brakes & Brake Parts. Camshaft 3685963 4298629 Compatible for Cummins QSX15 ISX15 X15 Diesel Engine. Part Number:3685963 4298629. Compatible for Cummins QSX15 ISX15 X15 Diesel Engine. Please make sure that the part number matches the old part. If you are not sure, please send me a message. I will have my technical team give you professional help. % shopping satisfaction and solve the problem with you. We have several warehouses in the United States. Not less than 30 days.