Product Features Part number: 4921797,4921776 Fitment: For Hyundai Cummins QSB6.7 Diesel Engine Products Include 1×Electronic Control Module Note:? Please check pictures for more details. More quantity, please contact customer service. Please make sure it will fit your machine before purchasing it. If you are not 100% sure this is what you need, please find out your engine model, series number and contact our Customer-service.