Ford part FINIS 6158880 Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Sierra MkI (1982-1986) A4.40 - Heater Components And Quadrants 12 Cable assy - controlTEMPERATURE REGULATOR VALVE 1 8/82 - 12/86 6158880 87BG 18518 AA Ford Sierra MkI (1982-1986) A4.50 - Heater Components And Quadrants 7 TEMPERATURE REGULATOR VALVE 1 1/87 - 12/88 6158880 87BG 18518 AA