Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Escort MkIII/Orion MkI (1981-1986) A4.40 - Heater And Ventilation Unit 7 Switch assy - controlHEATER ASSYLHD 2WDVersion: LX 1 D 12/83 - 1/86 3240186 84AU 18K309 B