( Used ) 2011 ALLISON 2500RDS TRANSMISSION ECM- Serial Number: A5100K7C, Part Number: 89530-E0B40, 4F-00K7B-012R, 6311023492, Truck: J17076 Trans: P-40570 Tag Number: 682293A For more information about this item, give us a call. We ship worldwide! ( CRG HEAVY TRUCK PARTS ) 929 W PULASKI HWY ELKTON MD 21921