Part Type: A/C Receiver Drier. Steel Filter Drier. Desiccant, Dessicant, Filter Drier, V.I.R. Assembly, VIR Assembly. Filter Drier. 1976 Audi 100 Series. 1975 Audi 100 Series. 1977 Audi 100 Series. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.