Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Sierra MkI (1982-1986) A4.40 - Heater Components And Quadrants 16 Radiator and seal assy - heater 1 8/82 - 12/86 1652127 85GG 18B539 CB Ford Sierra MkI (1982-1986) A4.50 - Heater Components And Quadrants 18 Market: +CDN, +USA 1 11/87 - 12/88 1652127 85GG 18B539 CB