Heater blower motor resistor - 4M0820521

Original heater blower motor resistor designed for the Audi Q7 4M. Factory OEM component responsible for regulating the fan speed in the vehicle's air conditioning and heating system.

Technical specifications

• Catalog number (OE): 4M0820521 (alternative notation: 4M0 820 521)
• Function: Blower motor speed control
• Condition: Original used part - 100% functional, tested, undamaged
• Manufacturer: VAG OEM

Main application

• Audi: Q7 4M

Fitment guarantee

Every part undergoes quality and functionality testing before shipping.

Tip: It is recommended to check the condition of the blower motor before installing a new resistor to prevent it from being damaged again.