Audi A6/Allroad AC Climate Control / Temp Unit 4B0820043AH

OEM Part #: 4B0-820-043-AH (4B0820043AH)

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Audi AC Climate Control / Temp Unit (OEM 4B0820043AH) — a used genuine part from a donor vehicle. This unit manages the automatic climate control system, regulating cabin temperature and fan speed. When it fails, you may experience inconsistent temperature output, stuck blend doors, or the AC system blowing only hot or cold air regardless of settings. It was originally installed in Audi A6, A6 Quattro, and Allroad Quattro models with 2.7L turbo, 2.8L, or 4.2L V6/V8 gas engines.

Specifications

Specifications for AC Climate Control / Temp Unit 4B0820043AH
Fits Vehicle ModelA6, Allroad
Fits Vehicle MakeAudi
OEM Part No4B0-820-043-AH (4B0820043AH)
CategoryHVAC / Climate Control

Compatible Vehicles

Fits 22 vehicle configurations across 1 make, 1998-2005.

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 1998-2001 · 15 variants 3 with notes
  • Allroad 2001-2005 · 7 variants
View all 22 vehicle configurations — 3 with fitment notes
Full vehicle fitment list for AC Climate Control / Temp Unit 4B0820043AH
Year Make Model Trim Engine Note
1998 Audi A6 Sedan 2.8L V6
1998 Audi A6 Quattro Sedan 2.8L V6
1999 Audi A6 Sedan 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Greater Than 020001
1999 Audi A6 Quattro Wagon 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Greater Than 020001
1999 Audi A6 Quattro Sedan 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Greater Than 020001
2000 Audi A6 Sedan 2.8L V6
2000 Audi A6 Quattro Wagon 2.8L V6
2000 Audi A6 Quattro Sedan 2.7L V6 Turbo
2000 Audi A6 Quattro Sedan 2.8L V6
2000 Audi A6 Quattro Sedan 4.2L V8
2001 Audi A6 Sedan 2.8L V6
2001 Audi A6 Quattro Wagon 2.8L V6
2001 Audi A6 Quattro Sedan 2.7L V6 Turbo
2001 Audi A6 Quattro Sedan 2.8L V6
2001 Audi A6 Quattro Sedan 4.2L V8
2001 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2002 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2003 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2004 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2004 Audi Allroad Quattro Wagon 4.2L V8
2005 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2005 Audi Allroad Quattro Wagon 4.2L V8

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