2008-2018 Audi A4/A5/A8/Q5/RS5/S4/S5/S8 Blower Motor Resistor 8K0820521B

Name: Blower Motor Resistor 8K0820521B
Brand: Audi
SKU: PS-12700
Price: 20.49 USD
Availability: InStock

OEM Part #: 8K0-820-521-B (8K0820521B)

Blower Motor Resistor 8K0820521B for Audi

Actual photo

The exact part you’ll receive — not a stock photo.

$20.49

Used

Donor2012 Audi Q5 · 2.0L

SKU: 658653 · 30-Day Returns

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Blower Motor Resistor 8K0820521B — Used (SKU 658653)

Genuine OEM Used SKU: 658653 Donor Vehicle: 2012 Audi Q5 · 2.0L 2 photos

$20.49

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A used Audi blower motor resistor, OEM part number 8K0820521B, also replaces 8K0820521 and 8K0820521C. This part controls the fan speed for the HVAC system. When it fails, typical symptoms include the blower motor only working on the highest setting or not running at all. Compatible with multiple Audi models equipped with four-, six-, eight-, and twelve-cylinder gasoline and diesel engines.

Specifications

Specifications for Blower Motor Resistor 8K0820521B
Fits Vehicle Model	A4, A5, A8, Q5, RS5, S4, S5, S8
Fits Vehicle Make	Audi
OEM Part No	8K0-820-521-B (8K0820521B)
Compatible OEM Part No	8K0-820-521, 8K0-820-521-C
Category	HVAC / Climate Control

Compatible Vehicles

Fits 81 vehicle configurations across 1 make, 2008-2018.

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

A4 2009-2012 · 13 variants 13 with notes
A5 2008-2012 · 12 variants 4 with notes
A8 2011-2018 · 30 variants
Q5 2009-2012 · 6 variants 2 with notes
RS5 2013-2015 · 3 variants
S4 2010-2012 · 3 variants 3 with notes
S5 2008-2012 · 8 variants 3 with notes
S8 2013-2018 · 6 variants

View all 81 vehicle configurations — 25 with fitment notes

Full vehicle fitment list for Blower Motor Resistor 8K0820521B
Year	Make	Model	Trim	Engine	Note
2015	Audi	RS5	Coupe	4.2L V8
2014	Audi	RS5	Coupe	4.2L V8
2013	Audi	RS5	Coupe	4.2L V8
2009	Audi	A4	Sedan	2.0L l4 Turbo	For Vehicles with Production Date Between 03/03/08 and 09/07/09
2011	Audi	A4	Quattro Wagon	2.0L l4 Turbo	For Vehicles with Production Date After 03/03/08
2011	Audi	A4	Quattro Sedan	2.0L l4 Turbo	For Vehicles with Production Date After 03/03/08
2010	Audi	A5	Convertible	2.0L l4 Turbo
2011	Audi	Q5	SUV	2.0L l4 Turbo
2009	Audi	A4	Quattro Sedan	2.0L l4 Turbo	For Vehicles with Production Date Between 03/03/08 and 09/07/09
2012	Audi	A4	Sedan	2.0L l4 Turbo	For Vehicles with Production Date After 03/03/08
2012	Audi	A5	Quattro Coupe	2.0L l4 Turbo	For Vehicles with Production Date After 03/03/08
2012	Audi	A5	Convertible	2.0L l4 Turbo
2012	Audi	A5	Quattro Convertible	2.0L l4 Turbo
2012	Audi	Q5	SUV	2.0L l4 Turbo
2011	Audi	A5	Quattro Convertible	2.0L l4 Turbo
2010	Audi	A4	Sedan	2.0L l4 Turbo	For Vehicles with Production Date Between 03/03/08 and 09/07/09
2011	Audi	A5	Convertible	2.0L l4 Turbo
2011	Audi	A5	Quattro Coupe	2.0L l4 Turbo	For Vehicles with Production Date After 03/03/08
2010	Audi	A5	Quattro Coupe	2.0L l4 Turbo	For Vehicles with Production Date After 03/03/08
2011	Audi	A4	Sedan	2.0L l4 Turbo	For Vehicles with Production Date After 03/03/08
2009	Audi	A4	Quattro Wagon	2.0L l4 Turbo	For Vehicles with Production Date Between 03/03/08 and 09/07/09
2010	Audi	A4	Quattro Wagon	2.0L l4 Turbo	For Vehicles with Production Date Between 03/03/08 and 09/07/09
2012	Audi	A4	Quattro Sedan	2.0L l4 Turbo	For Vehicles with Production Date After 03/03/08
2010	Audi	A5	Quattro Convertible	2.0L l4 Turbo
2012	Audi	A4	Quattro Wagon	2.0L l4 Turbo	For Vehicles with Production Date After 03/03/08
2014	Audi	A8	Quattro L Sedan	3.0L V6 Diesel Turbo
2014	Audi	A8	Quattro Sedan	4.0L V8 Turbo
2013	Audi	A8	Quattro Sedan	4.0L V8 Turbo
2014	Audi	A8	Quattro Sedan	3.0L V6 Supercharged
2015	Audi	A8	Quattro Sedan	4.0L V8 Turbo
2015	Audi	A8	Quattro L Sedan	3.0L V6 Diesel Turbo
2013	Audi	A8	Quattro L Sedan	4.0L V8 Turbo
2014	Audi	A8	Quattro L Sedan	3.0L V6 Supercharged
2008	Audi	S5	Coupe	4.2L V8
2009	Audi	S5	Coupe	4.2L V8
2010	Audi	S5	Coupe	4.2L V8	For Vehicles with Production Date After 03/03/08
2010	Audi	S4	Sedan	3.0L V6 Supercharged	For Vehicles with Production Date Between 03/03/08 and 09/07/09
2010	Audi	S5	Convertible	3.0L V6 Supercharged
2011	Audi	S5	Coupe	4.2L V8	For Vehicles with Production Date After 03/03/08
2011	Audi	A8	Quattro Sedan	4.2L V8
2011	Audi	A8	Quattro L Sedan	4.2L V8
2011	Audi	S4	Sedan	3.0L V6 Supercharged	For Vehicles with Production Date After 03/03/08
2011	Audi	S5	Convertible	3.0L V6 Supercharged
2014	Audi	A8	Quattro L Sedan	4.0L V8 Turbo
2012	Audi	S5	Convertible	3.0L V6 Supercharged
2012	Audi	A8	Quattro Sedan	4.2L V8
2012	Audi	S4	Sedan	3.0L V6 Supercharged	For Vehicles with Production Date After 03/03/08
2012	Audi	A8	Quattro L Sedan	4.2L V8
2012	Audi	A8	Quattro L Sedan	6.3L W12
2013	Audi	A8	Quattro L Sedan	3.0L V6 Supercharged
2013	Audi	A8	Quattro Sedan	3.0L V6 Supercharged
2013	Audi	S8	Sedan	4.0L V8 Turbo
2013	Audi	A8	Quattro L Sedan	6.3L W12
2014	Audi	S8	Sedan	4.0L V8 Turbo
2014	Audi	A8	Quattro L Sedan	6.3L W12
2012	Audi	S5	Coupe	4.2L V8	For Vehicles with Production Date After 03/03/08
2015	Audi	A8	Quattro Sedan	3.0L V6 Supercharged
2015	Audi	A8	Quattro L Sedan	6.3L W12
2018	Audi	A8	Quattro L Sedan	4.0L V8 Turbo
2016	Audi	S8	Sedan	4.0L V8 Turbo
2009	Audi	A5	Quattro Coupe	3.2L V6
2011	Audi	Q5	SUV	3.2L V6
2008	Audi	A5	Quattro Coupe	3.2L V6
2009	Audi	A4	Quattro Sedan	3.2L V6	For Vehicles with Production Date Between 03/03/08 and 09/07/09
2009	Audi	Q5	SUV	3.2L V6	For Vehicles with Production Date Between 05/04/09 and 09/07/09
2010	Audi	Q5	SUV	3.2L V6	For Vehicles with Production Date Between 05/04/09 and 09/07/09
2010	Audi	A5	Quattro Coupe	3.2L V6	For Vehicles with Production Date After 03/03/08
2012	Audi	Q5	SUV	3.2L V6
2010	Audi	A4	Quattro Sedan	2.0L l4 Turbo	For Vehicles with Production Date Between 03/03/08 and 09/07/09
2015	Audi	A8	Quattro L Sedan	4.0L V8 Turbo
2015	Audi	A8	Quattro L Sedan	3.0L V6 Supercharged
2016	Audi	A8	Quattro L Sedan	4.0L V8 Turbo
2015	Audi	S8	Sedan	4.0L V8 Turbo
2016	Audi	A8	Quattro L Sedan	3.0L V6 Supercharged
2016	Audi	A8	Quattro L Sedan	3.0L V6 Diesel Turbo
2016	Audi	A8	Quattro L Sedan	6.3L W12
2017	Audi	S8	Sedan	4.0L V8 Turbo
2017	Audi	A8	Quattro L Sedan	3.0L V6 Supercharged
2017	Audi	A8	Quattro L Sedan	4.0L V8 Turbo
2018	Audi	S8	Sedan	4.0L V8 Turbo
2018	Audi	A8	Quattro L Sedan	3.0L V6 Supercharged