2007 Allison 1000 SERIES, Truck Delivery, Transmission ECMs, Fits to: Workhorse Custom Chassis W62, (Used) 2006 Allison (AT), TRANSMISSION ECM- ECM Model: A40, Part Number: 29545321, Serial Number: BK5321N071941047, Transmission information- REMANUFACTURED!! Model: 1000RETRAN, Serial Number: 9630043136, Part Number: 29547852, 1 Rectangular Plug with 80 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, Serial# BK5321N071941047, Casting# BK5321N071941047, Truck Year 2007 5B4MPG2G073429167