Audi Heater Blower Motor / Fan Resistor 4B0820521 OEM Part #: 4B0-820-521 This item ships free!

Audi Heater Blower Motor / Fan Resistor 4B0820521

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Current Parts In Stock:
Genuine OEM | Used
$13.87
Genuine OEM | Used
$14.99
This part comes as shown in the picture(s).
A bad resister can leave you with only 1 or no fan speed settings. If you blower motor doesn't work you will want to try this part first.
The OEM Heater Blower Motor Resistor (Part Number 4B0820521) is essential for controlling the fan speed of your Audi's HVAC system. Designed for compatibility with 2002-2005 Audi A6, A6 Quattro, S6, RS6, and Allroad Quattro models, this factory-original component ensures a perfect fit and reliable performance. Located near the blower motor, this part regulates airflow, solving common issues like a malfunctioning blower with limited or no speed settings. Alternative names include Control Module and Regulator. Replace your worn-out resistor for seamless restoration of your vehicle's heating and cooling functions.

More Information about Heater Blower Motor / Fan Resistor 4B0820521

Fits Vehicle Model:

A6, A6 Quattro, Allroad Quattro, RS6, S6

Fits Vehicle Make:

Audi

OEM Part No:

4B0820521 (4B0-820-521)

Compatible Vehicles for Heater Blower Motor / Fan Resistor 4B0820521

Year: 2003
Make: Audi
Model: A6
Trim: Sedan
Engine: 3.0L V6
Restrictions:
Year: 2001
Make: Audi
Model: A6
Trim: Quattro Wagon
Engine: 2.8L V6
Restrictions:
Year: 2000
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.8L V6
Restrictions:
Year: 1999
Make: Audi
Model: A6
Trim: Sedan
Engine: 2.8L V6
Restrictions:
Year: 2001
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2000
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2002
Make: Audi
Model: A6
Trim: Sedan
Engine: 3.0L V6
Restrictions:
Year: 2002
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2005
Make: Audi
Model: Allroad
Trim: Quattro Wagon
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2000
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 4.2L V8
Restrictions:
Year: 2003
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 4.2L V8
Restrictions:
Year: 2004
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 4.2L V8
Restrictions:
Year: 2003
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2002
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 4.2L V8
Restrictions:
Year: 2004
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2001
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 4.2L V8
Restrictions:
Year: 2003
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 3.0L V6
Restrictions:
Year: 2004
Make: Audi
Model: Allroad
Trim: Quattro Wagon
Engine: 4.2L V8
Restrictions:
Year: 1998
Make: Audi
Model: A6
Trim: Sedan
Engine: 2.8L V6
Restrictions:
Year: 2003
Make: Audi
Model: RS6
Trim: Sedan
Engine: 4.2L V8 Turbo
Restrictions:
Year: 2002
Make: Audi
Model: Allroad
Trim: Quattro Wagon
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2003
Make: Audi
Model: S6
Trim: Wagon
Engine: 4.2L V8
Restrictions:
Year: 1999
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.8L V6
Restrictions:
Year: 2001
Make: Audi
Model: A6
Trim: Sedan
Engine: 2.8L V6
Restrictions:
Year: 2003
Make: Audi
Model: Allroad
Trim: Quattro Wagon
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2002
Make: Audi
Model: S6
Trim: Wagon
Engine: 4.2L V8
Restrictions:
Year: 2004
Make: Audi
Model: A6
Trim: Sedan
Engine: 3.0L V6
Restrictions:
Year: 2001
Make: Audi
Model: Allroad
Trim: Quattro Wagon
Engine: 2.7L V6 Turbo
Restrictions:
Year: 1998
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.8L V6
Restrictions:
Year: 2004
Make: Audi
Model: A6
Trim: Quattro Wagon
Engine: 3.0L V6
Restrictions:
Year: 2000
Make: Audi
Model: A6
Trim: Quattro Wagon
Engine: 2.8L V6
Restrictions:
Year: 2003
Make: Audi
Model: A6
Trim: Quattro Wagon
Engine: 3.0L V6
Restrictions:
Year: 2005
Make: Audi
Model: Allroad
Trim: Quattro Wagon
Engine: 4.2L V8
Restrictions:
Year: 2004
Make: Audi
Model: Allroad
Trim: Quattro Wagon
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2000
Make: Audi
Model: A6
Trim: Sedan
Engine: 2.8L V6
Restrictions:
Year: 2001
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.8L V6
Restrictions:
Year: 1999
Make: Audi
Model: A6
Trim: Quattro Wagon
Engine: 2.8L V6
Restrictions:
Year: 2002
Make: Audi
Model: A6
Trim: Quattro Wagon
Engine: 3.0L V6
Restrictions:
Year: 2004
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 3.0L V6
Restrictions:
Year: 2002
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 3.0L V6
Restrictions:
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