Heater Blower Motor Resistor Regulator for Audi A6 Quattro R8 S6 12V 4F0820521A
Main Description
Revitalize your Audi’s climate control with MAX NOLOGY 12V Heater Blower Motor Resistor Regulator — a precise, 100% new replacement designed to restore smooth, multi‑speed blower operation. Engineered to OEM standards with OEM numbers 4F0820521A and 4F0820521, this regulator fits a broad range of Audi models including A6, R8, and S6, ensuring reliable performance across years and engines. Built with a durable metal and plastic body, it is designed for direct replacement, reducing downtime and complexity during repairs. A failing blower resistor can cause uneven fan speeds, stuck settings, or a non‑responsive heater fan; this regulator addresses those issues, delivering consistent airflow and cabin comfort throughout the seasons. All InterCyprus parts are supported by our commitment to quality and reliability, with a 3‑year warranty under normal use.
Benefits & Tips
- Restore full blower speed range: enjoy quiet, even airflow from low to high settings once again.
- Direct replacement for a hassle‑free install, minimizing warranty and downtime concerns.
- Compatible with a wide array of Audi A6, R8, and S6 variants—great for technicians and DIY enthusiasts working across multiple chassis.
Product Specifications
- Brand: MAX NOLOGY
- Product: Heater Blower Motor Resistor Regulator
- Fitment: For Audi models (A6, R8, S6) — see model list below
- OEM No.: 4F0820521A, 4F0820521
- Voltage: 12V
- Condition: 100% New
- Material: Metal & Plastic
- Warranty: 3 years or 50,000 kilometers
- Direct Replacement: Yes
- Includes: 1x Blower Motor
- Origin: Mainland China
- Model Range (selected): Audi A6 3.0L V6 A/T Quattro Avant/Base 2009–2011; A6 3.2L V6 A/T Quattro Avant/Base 2005–2008; A6 4.2L V8 A/T Quattro Base 2005–2011; R8 4.2L V8 A/T/M/T (2008–2015); R8 5.2L V10 A/T/M/T (2009–2015); S6 5.2L V10 A/T Base 2007–2011; and additional listed variants.
Package Includes:
- 1x Blower Motor
Warnings / Reminders
Compatibility is important. If you are unsure about the correct part for your car, please use the "Contact Seller" option or provide your vehicle's VIN (17 characters) to confirm fitment. The VIN can be found on the lower corner of the windshield or on the vehicle registration certificate. While we strive for accurate listings, the BUYER is responsible for confirming compatibility with an auto parts specialist prior to purchase.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
At intercyprus.com since 2002 — trusted for quality and reliability.