(Used) 2012 Allison, TRANSMISSION ECM- Serial Number: BK5536N122920075, Part Number: 2945536, CIN: 4F00RRT0082 Model: 2500RDS, Trans Serial Number: 6311173756, Engine: International DT466, Trans: P-29409 Truck: J16939 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921