(Used) 2007 Freightliner MT45 Allison TRANSMISSION ECM- Allison 1000HS, Part Number: 29551869, ECM Serial Number: BK1869A900435311, TCM+CAL: A5900299, CIN: 4G002990028, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921