Heater Blower Motor Resistor Regulator Compatible with A6 2006–2011 R8 2008–2012 S6 Part Number 4F0820521A

Heater Blower Motor Resistor Regulator Part Number: 4F0820521A, 4F0820521 Includes: 1x Blower Motor Resistor Regulator Material: Metal and Plastic Compatible With: A6 2006–2011 (including 3.0L V6, 3.2L V6, 4.2L V8 models with A/T, CVT, or M/T; Avant Wagon and Base Sedan variants) R8 2008–2012 (including 4.2L V8 and 5.2L V10 models with A/T or M/T; Base, Plus, GT, and Convertible variants) S6 2007–2011 (5.2L V10 A/T Base Sedan)

• Model Compatibility: Compatible with A6 models from 2006 to 2011 and R8 models from 2008 to 2012, as well as S6 models within the same production years.
• Part Number Match: Replaces heater blower motor resistor regulator with part number 4F0820521A as specified in the application.
• Functionality: Restores heater blower motor speed control functionality for compatible models listed in the title.
• Design Intent: Designed as a direct-fit replacement for the heater blower motor resistor regulator used in specified vehicles.
• Installation Scope: Intended for installation in vehicles equipped with the all-wheel-drive system and matching model year ranges stated in the title.