Audi 0280217121 – Mass Air Flow Sensor is an electronic sensor designed for Audi vehicles. This sensor measures the amount of air entering the engine, providing critical data to the engine control unit for optimal fuel injection and efficient combustion. It plays a key role in maintaining engine performance and emissions control.
This part is identified by the SKU BB-289681 and is listed under the sensor category. When comparing your old sensor to this unit, ensure the part number matches to maintain compatibility. This sensor is specific to Audi models requiring the 0280217121 unit. Buyers should verify fitment by cross-referencing their vehicle’s requirements against this exact part number before purchase.
Coding, calibration, and fault repair are not guaranteed by the listing. This means that while the sensor may physically fit and function, further diagnostics or programming might be necessary once installed. For additional assistance or to confirm exact compatibility, contacting the sales desk or submitting a request for parts is recommended.
- Check the Bosch part number 0280217121 for match verification
- Essential for air intake measurement and engine management
- May require professional coding or calibration after installation
Need help matching this item to your vehicle? Use Vehicle Parts Finder, Request a Part or Platinum Sales Desk with your VIN, engine number, part number or clear photos.

