PLEASE BEWARE THAT I DO NOT WISH TO HAVE ANY RETURNS IF AT ALL POSSIBLE. THEY ONLY COST ME MONEY. THESE ARE USED PARTS SELLING IN USED CONDITION. THEY HAVE NOT BEEN RESTORED AND I DO NOT IMPLY ANY GUARANTEE OR WARRANTY. THIS IS JUST LIKE IF YOU GO TO PICK A PART. TOO MANY PEOPLE OUT THERE ARE NOT FULLY UNDERSTANDING THIS, THUS LEAVING BAD FEEDBACK TO HARM MY ABILITY TO PROVIDE THESE PARTS. TRUTH IS THESE PARTS AND CARS ARE DISAPEARING RAPIDLY. IM MERELY TRYING TO PROVIDE A SERVICE TO KEEP THEM ALIVE. THANK YOU TO ALL THAT UNDERSTAND. OEM 1973-1979 ford truck f150 f250 f350 1978-79 Bronco heater core box Non A/c . Includes used core but I cannot guarantee the function. It will need to be pressure tested. 73 74 75 76 77 78 1973 1974 1975 1976 1977 1978 FORD F100 F150 F250 F350. 78 79 1978 1979 BRONCO