Ford part FINIS 1638710 Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Sierra MkI (1982-1986) F4.11 - Exhaust System With Catalyst (TL20EFI, CAT) 19 Bolt - knurledEngine: TL20EFI 2 8/82 - 12/86 1638710 E805415 S76