(Used) 2011 Freightliner Cascadia 125, SLEEPER HEATER- Make: Airtronics, Model: D4, Part Number: 252441, Serial Number: 423670CA, Fuel: Diesel, Volts: 12, Watts: 40, Heat Flow: 4KW, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921