Hella 009142021 Mass Air Flow Sensor

Hella Mass Air Flow Sensor for Select Asian and BMW Applications

Hella 009142021 is a pipe-neck mass air flow sensor built for direct replacement in select Hyundai, Kia, and BMW applications. It uses a 3-pin connector and an 80 mm suction pipe connector diameter for the listed fitments, helping maintain accurate airflow measurement for proper engine management.

Key Features

• Pipe-neck mounting type for the specified intake tube setup
• 3 connector electrical interface
• 80 mm suction pipe connector diameter
• OE-style replacement for listed Hyundai, Kia, and BMW applications
• Hella part number 009142021 for catalog and service reference

Product Details

This Hella mass air flow sensor is used in air intake systems where the engine control module relies on precise airflow data to calculate fuel delivery and drivability strategy. It is listed for 2005-2010 Kia Sportage, 2005-2009 Hyundai Tucson, 2003-2008 Hyundai Tiburon, 2001-2006 Hyundai Santa Fe, 2001-2006 Kia Optima, and 2001-2005 Hyundai Sonata, along with select BMW 325xi, 325Ci, 325i, 525i, Z3, 323Ci, 323i, 328Ci, 328i, 528i, 323is, and 328is applications. If you are searching for a Hella 009142021 mass air flow sensor for a Hyundai Tucson or Kia Sportage, verify the connector style and pipe-neck dimensions against the original part before ordering.

This part cross-references Continental 5WK96050Z and Remy 97106 for the same application.

What It Is Used For

• Restoring accurate airflow signal output after sensor wear or contamination
• Addressing rough idle caused by incorrect air metering
• Correcting lean or rich fuel trim conditions tied to airflow input errors
• Resolving hesitation, stumble, or reduced throttle response related to intake measurement faults
• Replacing a failed sensor on vehicles with the listed 3-pin pipe-neck configuration

Installation Notes and Tips

Confirm the connector count, pipe-neck style, and 80 mm suction pipe diameter before installation. Compare the original sensor housing and electrical plug to Hella 009142021 to ensure the part matches the vehicle’s intake assembly. After installation, clear any stored diagnostic trouble codes and verify idle quality and airflow readings with a scan tool.

Quality Assurance

Hella supplies OE-level engine management components, and this sensor is cataloged for direct-fit service on the listed vehicles. Use the fitment data to confirm application by year, make, and model before purchase.