Ford part FINIS 1640608 Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Sierra MkI (1982-1986) F4.31 - Exhaust System Less Catalyst (CH20, 01/86-12/86) 8 U - bolt 1 1/86 - 12/86 1640608 V86BB 5A239 AA