(Used) 2008 Freightliner MT55 Allison 2200HS TRANSMISSION ECM - Part Number: 29545322, Serial Number: BK5322N1801999A5, TCM+CAL: A41003V1, CIN: 48003V1009L, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921