(Used) 2019 Allison, TRANSMISSION ECM- Model: 2200RDS, Part Number: 29556882, Serial Number: BK6882A180250853, Trans Serial Number: 6311616302, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921