(Used) 2006 Allison, TRANSMISSION ECM- ECM Model: 29542725, Part Number: 29542725 Serial number: BKDYPSM1610967Y8, Model: 1000 Retran, Serial Number: TMG032036-1 2 Rectangular Plugs with 32 Pins, Reference images for condition For more information about this item, give us a call. We ship worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921