Hella 009149461 Mass Air Flow Sensor

Hella Mass Air Flow Sensor for Audi

Restore accurate airflow measurement with this Hella mass air flow sensor, part number 009149461. Built with a pipe-neck mounting style and a 4-connector design, it is specified for Audi applications that use a 110 mm suction pipe connector diameter.

Compatible With 2009-2016 Audi A4, 2009-2016 Audi A4 Quattro, 2010-2016 Audi A5 Quattro, 2010-2014 Audi A5, 2009-2011 Audi A3, and 2009-2011 Audi A3 Quattro. This Hella 009149461 is a direct-fit emission control sensor for vehicles listed in the fitment data.

Key Features

• Mass air flow sensor for emission control and engine management systems
• Pipe-neck mounting type for the listed Audi intake configurations
• 4 electrical connectors
• 110 mm suction pipe connector diameter
• Hella part number 009149461
• Cross-reference example: Bosch 0 928 400 504

Product Details

The Hella 009149461 mass air flow sensor measures incoming air so the engine control system can calculate fuel delivery more accurately. For Audi A4, A4 Quattro, A5, A5 Quattro, A3, and A3 Quattro applications, the pipe-neck design and 110 mm connector diameter are important match points for proper intake system fitment. If you are searching for an Audi A4 mass air flow sensor, Audi A5 Quattro MAF sensor, or Audi A3 Quattro airflow sensor, this part number is listed for those exact vehicle ranges.

Common Symptoms This Part Can Address

• Rough idle caused by incorrect airflow readings
• Check engine light related to air metering faults
• Hesitation or poor throttle response
• Reduced fuel economy from inaccurate fuel calculation
• Driveability issues tied to a failing MAF sensor

Installation Notes and Tips

Verify the connector count, pipe-neck mounting style, and 110 mm suction pipe connector diameter before installation. Compare the existing sensor and intake tube layout to the vehicle listing to confirm the correct Audi A4, A4 Quattro, A5, A5 Quattro, A3, or A3 Quattro application. The part number 009149461 should be matched against the original sensor and any OE cross-reference numbers before replacement.

Quality Assurance

Hella is an established automotive parts brand with OE-focused engineering across sensing and electrical components. This sensor is listed with multiple OE and aftermarket cross-references for the same application, supporting accurate replacement selection for the specified Audi fitments.