(Used) 2000 Allison, TRANSMISSION ECM- Model: 1000, Part Number: 29537441, Serial Number: BKDCYFN302550326, CIN: 120006C010N, Engine: T4444, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921