About

Description

Blower Resistor / Fan Control Module — Fits Audi A5, A4 Allroad, A8, Q5, A4 B8 (8K0820521B)

✅ OEM Part Number: 8K0820521B

✅ Fast Dispatch — Limited UK Stock

✅ 30 Days Free Returns

✅ 12 Months Warranty Included

Compatible Vehicles

Make	Model	Year Range	Engine Size (L)	Common Engine Codes	Drivetrain	Fuel
Audi	A5 (8T / 8TA) Coupe / Sportback	2007–2017	1.8; 2.0; 2.7; 3.0; 3.2	BFB; CDAA; CCTA; CMBA; CJE; BKN; CAHA; CGLA; BBJ	FWD; quattro AWD	Petrol; Diesel
Audi	A4 Allroad (8KH)	2009–2016	2.0; 3.0	CDNB; CAEB; CAGA; CFFB; CRLB; CJEB; CAHA	quattro AWD	Petrol; Diesel
Audi	A8 (D4 / 4H) Saloon	2010–2013	2.0; 3.0; 4.0; 4.2	CPTA; CJEA; CRE; CJCA; CTEA; CTGA; CCW; CMXA	quattro AWD	Petrol; Diesel; Hybrid (selected)
Audi	Q5 (8R / 8RB)	2009–2012	2.0; 3.0	CDNB; CCTA; CAHA; CAGA; CJAA; CGLA	quattro AWD; some FWD	Petrol; Diesel
Audi	A4 B8 (8K2 / 8K5) Saloon / Avant	2008–2015	1.8; 2.0; 3.0	CJSB; CJSA; CCTA; CMBA; CFFB; CRLB; CAGA; CJE; CAHA	FWD; quattro AWD	Petrol; Diesel

Same-year models that are NOT compatible (check before buying)

Model / Note	Years / Why not compatible
Audi A4 (older B7 platform & early B8 variants with different HVAC connectors)	Pre-2008 A4 and some early B8 with different connector types; verify connector and part number
VW / Skoda / Seat exact-fit claims without verification	Some VAG models use similar numbers but may have different connector pinouts; confirm fitment

🔄 Cross‑Reference Numbers

8K0820521B (OEM)
8K0 820 521
8K0820521C (revision — check connector)
Aftermarket equivalents: URO, VEMO, METZGER, DORMAN, BEHR (verify SKU fitment)

✅ How to Confirm Fitment

Match your VIN and engine code with the table above.
Check the part number stamped on your old resistor/module.
Compare connector shape & pin count with listing photos.

🛒 Why Buy From Us

🚚 Same‑Day Dispatch (order before cutoff)
🔒 12‑Month Warranty against functional failure
🔄 30‑Day Free Returns for peace of mind
📦 UK Stock — Fast Delivery
🧑🔧 Expert Fitment Support (send VIN/engine code with order)

Description

Blower Resistor / Fan Control Module — Fits Audi A5, A4 Allroad, A8, Q5, A4 B8 (8K0820521B)

✅ OEM Part Number: 8K0820521B

✅ Fast Dispatch — Limited UK Stock

✅ 30 Days Free Returns

✅ 12 Months Warranty Included

Compatible Vehicles

Make	Model	Year Range	Engine Size (L)	Common Engine Codes	Drivetrain	Fuel
Audi	A5 (8T / 8TA) Coupe / Sportback	2007–2017	1.8; 2.0; 2.7; 3.0; 3.2	BFB; CDAA; CCTA; CMBA; CJE; BKN; CAHA; CGLA; BBJ	FWD; quattro AWD	Petrol; Diesel
Audi	A4 Allroad (8KH)	2009–2016	2.0; 3.0	CDNB; CAEB; CAGA; CFFB; CRLB; CJEB; CAHA	quattro AWD	Petrol; Diesel
Audi	A8 (D4 / 4H) Saloon	2010–2013	2.0; 3.0; 4.0; 4.2	CPTA; CJEA; CRE; CJCA; CTEA; CTGA; CCW; CMXA	quattro AWD	Petrol; Diesel; Hybrid (selected)
Audi	Q5 (8R / 8RB)	2009–2012	2.0; 3.0	CDNB; CCTA; CAHA; CAGA; CJAA; CGLA	quattro AWD; some FWD	Petrol; Diesel
Audi	A4 B8 (8K2 / 8K5) Saloon / Avant	2008–2015	1.8; 2.0; 3.0	CJSB; CJSA; CCTA; CMBA; CFFB; CRLB; CAGA; CJE; CAHA	FWD; quattro AWD	Petrol; Diesel

Same-year models that are NOT compatible (check before buying)

Model / Note	Years / Why not compatible
Audi A4 (older B7 platform & early B8 variants with different HVAC connectors)	Pre-2008 A4 and some early B8 with different connector types; verify connector and part number
VW / Skoda / Seat exact-fit claims without verification	Some VAG models use similar numbers but may have different connector pinouts; confirm fitment

🔄 Cross‑Reference Numbers

8K0820521B (OEM)
8K0 820 521
8K0820521C (revision — check connector)
Aftermarket equivalents: URO, VEMO, METZGER, DORMAN, BEHR (verify SKU fitment)

✅ How to Confirm Fitment

Match your VIN and engine code with the table above.
Check the part number stamped on your old resistor/module.
Compare connector shape & pin count with listing photos.

🛒 Why Buy From Us

🚚 Same‑Day Dispatch (order before cutoff)
🔒 12‑Month Warranty against functional failure
🔄 30‑Day Free Returns for peace of mind
📦 UK Stock — Fast Delivery
🧑🔧 Expert Fitment Support (send VIN/engine code with order)

Heater Blower Motor Fan Resistor For Audi A5 (2007–2017) 8TA Hatchback — Petrol & Diesel Compatible

Regular price: £29.00
Sale price: £29.00
Regular price: ~~£49.00~~