1980-86 Ford Bronco Heater Plenum & Ventilation Exploded Parts Diagram

This document is an exploded parts diagram of a Ford heater/ventilation plenum assembly, showing how the components of the heater box and duct system fit together. Each part is labeled with a name and a Ford base part number. Components shown include the upper plenum (19D560) and lower plenum (19D561), the gasket between the plenum and dash (18B623), a tube gasket (18596), the floor defrost door vacuum motor and panel door vacuum motor (both 18A318), the floor defrost door and shaft kit (18A478), a sleeve unit (385024), the panel door (18A361), the temperature door and shaft kit (19D66), the floor duct (18C433), the heater core and seal (18B539), the heater core seal (18658), the heater core cover seal (18C269), and the heater core cover (18B299). A reader can use this diagram to identify the part numbers needed for heater box repairs, understand the assembly order of the plenum components, and see where the vacuum motors, doors, gaskets, and seals are located within the ventilation system. The document itself carries no printed year, model, or title text; year applicability comes only from the uploader's filename (ventilation80_86).