NTK MG0191 Mass Air Flow Sensor

NTK Mass Air Flow Sensor MG0191

The NTK MG0191 mass air flow sensor is built for direct replacement applications across select Nissan and INFINITI vehicles. It supports accurate airflow measurement for engine management systems and is backed by NTK’s OE-focused sensor expertise.

Key Features

• Mass air flow sensor for emission control and engine management systems
• OE-focused design from NTK, The Sensor Specialist
• Manufactured to meet or exceed OE specifications
• Tested under thermal shock, vibration, and OBD verification conditions
• Fits select Nissan Murano, Altima, Pathfinder, Rogue, Sentra, and more

Detailed Description

NTK MG0191 is a technical sensor application developed from the brand’s OE experience and broad aftermarket coverage. As part of the NTK Mass Air Flow Sensor line, it is engineered for vehicles that rely on precise airflow input for proper fuel and engine control. This part number, MG0191, cross-references Delphi AF10539 and Standard Ignition MAS0457 for the same application.

Compatible With 2014-2018 Nissan Rogue, 2015-2018 Nissan Murano, 2016-2018 Nissan Pathfinder, 2017-2018 Nissan Sentra, 2015-2018 Nissan Altima, 2016-2018 Nissan Maxima, 2016-2018 Nissan Quest, 2014-2016 Nissan X-Trail, 2015-2017 Nissan Juke, 2019-2020 Nissan Murano, 2014-2015 INFINITI QX60, 2016-2018 INFINITI QX60, 2014-2015 Nissan Pathfinder, 2014-2015 Nissan Quest, 2016 Nissan Altima, 2016 Nissan Sentra, 2017 Nissan X-Trail, and 2018 Nissan Versa Note. Fitment notes include sensor-only applications, OE part number references, and terminal-specific configurations where listed.

What It Helps Address

• Incorrect airflow signal to the engine control system
• Driveability issues related to air metering
• Emission control faults tied to sensor performance
• OBD-related sensor verification concerns
• Replacement needs for worn or failed mass air flow sensors

Installation Notes and Tips

Verify the OE part number and fitment notes before ordering, especially on applications marked sensor only, OE part number reference, or 4 blade terminal. Match the vehicle year, make, and model exactly to the listed application data for proper selection.

Quality Assurance

NTK sensors are produced using OE application technology and undergo thermal shock, vibration, and OBD verification testing. The brand states these sensors are manufactured to meet or exceed OE specifications.