Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Sierra MkI (1982-1986) F4.11 - Exhaust System With Catalyst (TL20EFI, CAT) 31 Screw - round headM5 × 8 mm 1 D 8/82 - 12/86 6044945 E603141 S74 Ford Sierra MkI (1982-1986) F5.10 - Catalyst Installation Kits (TL20EFI CAT, TL16E, TL18) 10 Engine: TL16E, TL20H 1 D 8/82 - 12/86 6044945 E603141 S74