Hella 358095521 Mass Air Flow Sensor

Mass Air Flow Sensor for Nissan and INFINITI

HELLA Mass Air Flow Sensor 358095521 provides accurate airflow measurement for precise fuel delivery, smoother throttle response, and consistent engine performance. This standard replacement hot-film sensor is built for specific-fit applications and includes a gasket/seal for a proper installation on select Nissan and INFINITI models.

Key Features

• Hot-film mass air flow sensor for accurate intake air measurement
• Specific-fit, standard replacement design
• 12V electrical specification
• Black housing color
• Rectangular 1-connector design with 4-pin application notes
• Female connector with male terminals
• 5 terminal quantity, blade terminal type
• Gasket/seal included
• Part number: 358095521

Detailed Description

HELLA 358095521 is a mass air flow sensor engineered to report incoming air volume with OE-level accuracy so the engine control system can maintain the correct air-fuel ratio. That helps support stable idle quality, responsive acceleration, and efficient combustion in daily driving. This sensor is a direct-fit replacement for select 2012-2018 INFINITI and Nissan vehicles, including 2014-2018 INFINITI Q50, 2014-2018 INFINITI Q70, 2014-2017 INFINITI QX60, 2013-2015 Nissan Altima, 2013-2015 Nissan Sentra, 2014 Nissan Pathfinder, 2016 Nissan Murano, and select 2016 Nissan Altima and Sentra applications with the listed build-date notes. Part number 358095521 is also referenced for cross-application lookup, and this part cross-references Focus Auto Parts 86323 for the same application.

What It Helps Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or sluggish throttle response
• Reduced fuel economy from incorrect air-fuel calculation
• Check engine light concerns related to airflow sensor performance
• Driveability issues after a failing or contaminated MAF sensor

Installation Notes and Tips

Verify connector style, pin count, and build-date notes before ordering. This sensor uses a bolted/fitting mount and includes a gasket/seal, while housing, mounting hardware, wiring harness, and mounting bracket are not included. For best results, inspect the intake tract for leaks, contamination, or damaged wiring before installing the new sensor. Confirm compatibility with your exact vehicle configuration, especially on 2016 Nissan Altima and 2016 Nissan Sentra models with production cutoffs noted in the fitment data.

Quality Assurance

HELLA supplies OE-level replacement components focused on accurate signal output and dependable fitment. Part number 358095521 is built as a standard replacement mass air flow sensor for the listed Nissan and INFINITI applications.

Compatible Vehicles

• Fits 2014-2018 INFINITI Q50, N/A, 4-Pin Connector - Fitting - with Seal
• Fits 2014-2018 INFINITI Q70, N/A, 4-Pin Connector - Fitting - with Seal
• Fits 2014-2017 INFINITI QX60, N/A, 4-Pin Connector - Fitting - with Seal
• Fits 2016 Nissan Altima, N/A, To 10/2015
• Fits 2016 Nissan Murano, N/A, 4-Pin Connector - Fitting - with Seal
• Fits 2016 Nissan Sentra, N/A, To 12/2015
• Fits 2013-2015 Nissan Altima, N/A, 4-Pin Connector - Fitting - with Seal
• Fits 2013-2015 Nissan Sentra, N/A, 4-Pin Connector - Fitting - with Seal
• Fits 2014 Nissan Pathfinder, N/A, 4-Pin Connector - Fitting - with Seal
• Fits 2012-2013 INFINITI M35h, N/A, 4-Pin Connector - Fitting - with Seal