Heater Blower Motor Resistor Regulator 4F0820521A 4F0 820 521A Compatible with A6 2006 2007 2008 2009 2010 2011 R8 2008 2009 2010 2011 2012 S6

Heater blower motor resistor regulator compatible with A6 (2006–2011), R8 (2008–2012), and S6 (2005–2011).Part numbers: 4F0820521A, 4F0 820 521A.

• Designed specifically for A6 models from 2006 to 2011, direct fitment and functional compatibility with the vehicle’s HVAC system
• Compatible with R8 models manufactured between 2008 and 2012, supporting proper blower motor speed control and airflow regulation
• Fits S6 models from 2005 to 2011, maintaining consistent function across multiple trim levels and engine variants
• Replaces OEM part numbers 4F0820521A and 4F0 820 521A, offering precise electrical resistance values required for multi-speed blower
• Engineered for integration with factory wiring harnesses and climate control modules, installation complexity and preserving system behavior