(Used) Allison (AT) (REMAN 2019), TRANSMISSION ECM- ECM Model: A59, Part Number: 29551869, Serial Number: BK1869A992545393, 12V/24Volts, Transmission Stock #P-38046, Transmission Model: 4500RDSP, Plug Pins: 80 Pins Plug Rectangular, 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