Ford part FINIS 6178521 Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Sierra MkI (1982-1986) A4.51 - Heater And Ventilation Unit 1 Heater assy - less radiatorLESS FOOT ROOM AIR DUCT CONNECTORLHDMarket: -CDN, -USA 1 D 8/82 - 12/86 6178521 87BG 18A484 BA