53-15744 53-56 Fresh air duct side louver cover 53-15743 53-56 Air intake cowl spring screw kit 53-15780	53-55 Heater/defroster cable and knob kit recirculating 56-15781	56 Heater/defroster cable and knob kit recirculating 66-15752 66-77 defroster hoses, bronco78-17225 78-79 F100-350 A/C control panel regulator valve75-17225 75-77 F100-350 A/C control panel regulator valve56-15781	56 Heater/defroster cable and knob kit recirculating53-15780	53-55 Heater/defroster cable and knob kit recirculating53-15778 53-56 Heater cable retainer clip & screw53-15770	53-56 Heater brackets recirculating heater53-15771	53-56 Heater brackets fresh air heater75-17220 75-77 AC door damper switch F100-350 78-17220 78-79 F100-350 under dash a/c vacuum damper switch80-17220 80-82 F100-350 Under dash a/c vacuum damper switch56-15766	56 Heater blower switch68-15766	68-72 Heater blower switch F100-75073-15767 73-78 Heater blower switch F100-350, w/ac78-15768 78-86 Heater blower switch F100-350, w/ac67-15765	67 Heater control rod & switch assembly56-15755 56 Defroster duct outlet53-15756 53-55 Defroster duct outlet RH53-15755 53-55 Defroster duct outlet LH67-15760	67 Heater switch bezel nut67-15750	67-72 Inlet hose connector53-15745 53-56 Cowl side louver delete patch panel 53-15743 53-56 Air intake cowl spring screw kit 53-15744 53-56 Fresh air duct side louver cover 66-15778 66-77 bronco heater cable retainer clip & screw