(Used) 2010 Allison, TRANSMISSION ECM- Model: 2500HS, Part Number: 29551869, Serial Number: BK1869A970870052. Reprogramed 5/24/2017, Serial Number: 6310989986, Engine: Cummins ISB, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921 2010 Allison TRANSMISSION ASSEMBLY-