(Core) 2012 Allison 2500RDS TRANSMISSION ECM- Serial Number: BK5536N1229201D4, Part Number: 29545536, CIN: 4F00RRT0082, Trans Serial Number: 6311173626, Engine: International DT466, Trans: P-35833 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921