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Spare part – Control Unit, heating/ventilation NTY ERD-AU-004 is often found in AUDI cars.
Spare part with codes 4F0 820 521 A and 4F0 820 521 is often used in AUDI R8 (422, 423), AUDI R8 Spyder (427, 429), AUDI A6 C6 (4F2), AUDI A6 C6 Avant (4F5) and AUDI A6 Allroad C6 (4FH) repair practice.
Owners of AUDI often choose this part with numbers 4F0 820 521 A and 4F0 820 521.
The part is perfectly compatible with the AUDI R8 (422, 423), AUDI R8 Spyder (427, 429), AUDI A6 C6 (4F2), AUDI A6 C6 Avant (4F5) and AUDI A6 Allroad C6 (4FH) suspension system.
Control Unit, heating/ventilation NTY ERD-AU-004 – also suitable for more aggressive driving with AUDI cars.
If you need assistance with your selected part, please contact our customer service specialists.
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Suspension 
Brakes 
Filters, oils and other auto chemicals 
Electronics 
Engine parts 
Transmission 
Heating and ventilation 
Cooling 
Fuel system 
Exhaust system 
Steering system 
Lights 
Body and interior 
Windshield wiper system 
