; HomeHeavy Duty Truck PartsEngines & Engine PartsEngine AssysDetroitSeries 60 12.7L DDEC IVCore DETROIT 60 SERIES-12.7 DDC4 Engine Assy Core DETROIT 60 SERIES-12.7 DDC4 Engine Assy Unfortunately this part is temporarily unavailable. View other Detroit Series 60 12.7L DDEC IV Engine Assys