This is a complete RECIRULATING (cheep one) heater for a 1955-1956-195-1958-1959 GMC truck pick up Thru 2 ton this unit has been taken apart sand blasted re painted gray hammer tone correct color for GMC it cones with under dash vents, hose, the core has been recored , 12 volt motor has been rebuilt, comes with restored controller this unit is ready to install and hook up