2013 Kenworth T660, Truck Tractor, Vehicle ECMs, Fits to: Kenworth T660, (Used) 2012 Kenworth T660, CHASSIS CONTROL MODULE- ECM Model: MUX3-P, Part Number: A2C81341800, Serial Number: 800053403, Version: 1.0, Sup. Code: 01035AC/QAC:2, 3 Rectangular Plug with 21 Pins each, 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, Truck Year 2013, VIN 1XKADP9XXDJ364903, Part# A2C81341800 1XKADP9XXDJ364903