Ford part FINIS 1637698 Catalog Section # Part name Qty Prod Prod date FINIS Part No. Ford Sierra MkI (1982-1986) A4.41 - Heater And Ventilation Unit 17 Hose - heater waterINLET4-WHEEL DRIVEVersion: XR4X4 1 2/85 - 12/86 1637698 V85BB 18472 AA