Audi A6/S6 AC Pressure Switch / Sensor 4F0959126A

OEM Part #: 4F0-959-126-A (4F0959126A)

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The AC Pressure Switch / Sensor (OEM Part Number 4F0959126A) is a vital component located on the front of Audi vehicles, specifically interfacing with the HVAC system to monitor refrigerant pressure. Its primary function is to ensure optimal pressure levels within the air conditioning system, activating or deactivating the compressor as necessary. Common issues leading to replacement include non-functioning air conditioning due to faulty pressure readings, which can manifest as either low or high refrigerant levels. This sensor is compatible with several 2020 Audi models, including A3, A4, A5, A6, A7, A8, Q3, Q5, Q7, and Q8, covering various engine configurations. Alternative terminologies include HVAC Pressure Switch and A/C Refrigerant Pressure Sensor. This authentic OEM part is sourced directly from salvage vehicles, ensuring reliability and performance.

Specifications

Specifications for AC Pressure Switch / Sensor 4F0959126A
Fits Vehicle ModelA6, S6
Fits Vehicle MakeAudi
OEM Part No4F0-959-126-A (4F0959126A)
CategoryAir Conditioning

Compatible Vehicles

Fits 16 vehicle configurations across 1 make, 2005-2008.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Audi

  • A6 2005-2008 · 14 variants 14 with notes
  • S6 2007-2008 · 2 variants 1 with note
View all 16 vehicle configurations — 15 with fitment notes
Full vehicle fitment list for AC Pressure Switch / Sensor 4F0959126A
Year Make Model Trim Engine Note
2005 Audi A6 Quattro Sedan 3.2L V6 For Vehicles with Engine Code(s) BKH
2005 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BNK, BVJ
2006 Audi A6 Sedan 3.2L V6 For Vehicles with Engine Code(s) BKH
2006 Audi A6 Quattro Wagon 3.2L V6 For Vehicles with Engine Code(s) BKH
2006 Audi A6 Quattro Sedan 3.2L V6 For Vehicles with Engine Code(s) BKH
2006 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BNK, BVJ
2007 Audi A6 Sedan 3.2L V6 For Vehicles with Engine Code(s) BKH
2007 Audi A6 Quattro Wagon 3.2L V6 For Vehicles with Engine Code(s) BKH
2007 Audi A6 Quattro Sedan 3.2L V6 For Vehicles with Engine Code(s) BKH
2007 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BNK, BVJ
2007 Audi S6 Sedan 5.2L V10
2008 Audi A6 Sedan 3.2L V6 For Vehicles with Engine Code(s) BKH
2008 Audi A6 Quattro Wagon 3.2L V6 For Vehicles with Engine Code(s) BKH
2008 Audi A6 Quattro Sedan 3.2L V6 For Vehicles with Engine Code(s) BKH
2008 Audi A6 Quattro Sedan 4.2L V8 For Vehicles Where Last 6 Digits of VIN Number are Less Than 068000; For Vehicles with Engine Code(s) BNK, BVJ
2008 Audi S6 Sedan 5.2L V10 For Vehicles Where Last 6 Digits of VIN Number are Less Than 068000

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