Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Sierra MkI (1982-1986) E1.20 - Brake Booster 5 Tube - vacuumFOR A.C.RHDMANUALEngine: TL20H 1 GB 10/84 - 12/86 1632639 83BB 2420 RC Ford Sierra MkI (1982-1986) E1.20 - Brake Booster RHDAUTOMATICEngine: TL20H, TL18 1 GB 8/82 - 12/86 1632639 83BB 2420 RC