(Used) 2006 Allison, TRANSMISSION ECM- Serial Number: BKDYPSM151664ACR, Part Number: 29542725, Model: 1000, Engine: Cummins ISB 5.9, Trans: P-40406, 663775, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921