(Used) 2013 Kenworth T660, CHASSIS CONTROL MODULE- ECM Model: MUX3-P, Part Number: A2C80703100, 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