Buy 2001 Audi A6 A/C Receiver Drier. 2.7, 2.8 & 4.2 LITER, V8. A6/S6; 4.2L. Air Conditioning Receiver - OEM Audi Part # 4B3820193 (4B3-820-193)

Air Conditioning (A/C) Receiver Drier. Dehydrator.
A/C Receiver Drier.

A/C Receiver Drier

Fits A6, S6

2.7, 2.8 & 4.2 LITER, V8. A6/S6; 4.2L.
Air Conditioning Receiver Drier Assembly - Repair or Replace
The receiver drier in your A/C system contains a desiccant that protects its metal components as well as acting as a filter to prevent damage to the rest of your system. They also frequently include a pressure switch that signals your A/C compressor to turn on or off. Your 2001 Audi A6 should get a new receiver drier, or accumulator, any time your air conditioning is undergoing repairs.