Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Escort MkIII/Orion MkI (1981-1986) E1.20 - Brake Booster 17 Tube - vacuumRHD 2WDEngine: HL13, HL16H, HL16, HL11 1 GB 8/80 - 1/86 1634538 83AB 2420 BC Ford Escort MkIII/Orion MkI (1981-1986) E1.20 - Brake Booster LHD 2WDEngine: HL13, HL16, HL11 1 D 8/80 - 1/86 1634538 83AB 2420 BC Ford Escort MkIII/Orion MkI (1981-1986) E1.20 - Brake Booster LHD 2WDEngine: HL11, HL16H, HL13, HL16 1 E 1/85 - 1/86 1634538 83AB 2420 BC