Ford part FINIS 1637523 Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Sierra MkI (1982-1986) C1.10 - Rear Axle Diff Carrier/Drive Shaft 1 Differential and carrier assyLESS LIMITED SLIP DIFFERENTIAL3.77Engine: TL13 1 8/82 - 12/86 1637523 83BG 4006 AD