If a part is temporarily unavailable, you could substitute it with these parts:
Quality Blower control unit for Volkswagen POLO 1.0 TGI 90 hp Petrol/Compressed Natural Gas (CNG)
Wide selection of new blower control unit for Polo 6 1.0 TGI Petrol/Compressed Natural Gas (CNG) 90 hp, priced from £11.72 to £43.24. Choose from 4 trusted manufacturers.
Tried, tested, and top-rated: Blower control unit for Volkswagen POLO (AW1, BZ1) 1.0 TGI 90 hp Petrol/Compressed Natural Gas (CNG)