(Used) 2011 New Flyer Xcelsior , VAPOR CLASS CONTROLLER ENGINE ECM- Part Number: 50720648-41, Serial Number: CC4498, CLASS3-11-40-0295, 11M 0002, 4 Rectangular Plug with 6 Pins each, 1 Rectangular Plug with 8 Pins, 1 Rectangular Plug with 20 Pins, Reference images for condition,