Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Sierra MkI (1982-1986) A13.21 - Rear Seat 2-Piece Back Less A/Rest (LIFTBACK 3D/5D) 16 Hinge assy - rear seat back LH 1 8/82 - 12/86 6121965 83BB A613B91 BA