(Used) 2000 Allison, TRANSMISSION ECM- Model: 2400, Part Number: 29537441, Serial Number: BKDCYFM302643289, Serial Number: TMG036770-1, Engine Model: T444E, Part Number: 29538984, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921