Audi A6/Allroad AC Servo Flap Motor - Ventilation 4B1820511D

OEM Part #: 4B1-820-511-D (4B1820511D)

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This authentic AC Servo Flap Motor - Ventilation, OEM Part Number 4B1820511D, is specifically designed for precise operation within the HVAC box of select Audi models. It serves a critical role in regulating fresh air intake and overall cabin ventilation, ensuring optimal climate control. Compatible with the 2001-2005 Audi Allroad Quattro (2.7L V6, 4.2L V8) and 1998-2001 Audi A6/A6 Quattro, this genuine part seamlessly integrates into your vehicle's climate control system. Symptoms of a failing motor include inconsistent airflow or a stuck flap mechanism, which this replacement part effectively resolves. Alternative part numbers include 4B1820511K and 4B1819164, offering further versatility in sourcing. Trust this factory-original component to restore your vehicle's functionality and maintain a comfortable driving experience.

Specifications

Specifications for AC Servo Flap Motor - Ventilation 4B1820511D
Fits Vehicle ModelA6, Allroad
Fits Vehicle MakeAudi
OEM Part No4B1-820-511-D (4B1820511D)
CategoryDash Parts

Compatible Vehicles

Fits 17 vehicle configurations across 1 make, 1998-2002.

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
  • Allroad 2001-2002 · 2 variants 2 with notes
View all 17 vehicle configurations 2 with fitment notes
Full vehicle fitment list for AC Servo Flap Motor - Ventilation 4B1820511D
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
1999 Audi A6 Quattro Wagon 2.8L V6
1999 Audi A6 Quattro Sedan 2.8L V6
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 For Vehicles With Production date Up To 06/18/01
2002 Audi Allroad Quattro Wagon 2.7L V6 Turbo For Vehicles With Production date Up To 06/18/01

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