(Used) 2009 Freightliner MT45, Allison TRANSMISSION ECM - Part Number: 29545322, Serial Number: BK5322N18115EHE8, TCM+CAL Assy: A4100BM9, CIN: 4800BM90039 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921