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Used control unit for Audi A6 (4B, C5) models from 1997 to 2005. This is the heating control module, which manages functions within the car’s heating system. OEM code is 4D0909509, so matching that number is important for correct fitment. A practical replacement if you need the proper module for the heating setup on your donor vehicle or repair car.
Used control unit for Audi A6 (4B, C5) models from 1997 to 2005. This is the heating control module, which manages functions within the car’s heating system. OEM code is 4D0909509, so matching that number is important for correct fitment. A practical replacement if you need the proper module for the heating setup on your donor vehicle or repair car.
