NTK MG0186 Mass Air Flow Sensor

NTK Mass Air Flow Sensor for Subaru Applications

The NTK Mass Air Flow Sensor MG0186 is a direct-fit emission control sensor for select Subaru vehicles. It is built for accurate airflow measurement to support proper fuel delivery, drivability, and engine management.

Key Features

• NTK Mass Air Flow Sensor line from The Sensor Specialist
• OE-focused design for import and domestic vehicle coverage
• Tested under thermal shock, vibration, and OBD verification conditions
• Manufactured to meet or exceed OE specifications
• Fits select Subaru WRX STI, Legacy, Outback, Forester, Crosstrek, XV Crosstrek, Impreza, and WRX applications

Product Details

NTK MG0186 is part of NTK’s technical sensor lineup, backed by more than 80 years of automotive experience through NGK. As an OE supplier with aftermarket coverage, NTK focuses on sensor accuracy and application-specific fitment for Subaru models including WRX STI, Legacy, and Outback. This part cross-references DENSO Auto Parts 197-6130 for the same application.

What It Helps Address

• Rough idle caused by incorrect airflow readings
• Hesitation or poor throttle response
• Lean or rich fuel mixture concerns
• Check engine light conditions related to airflow sensor performance
• Reduced engine efficiency from inaccurate air metering

Installation Notes and Tips

Verify the connector style and OE part number before installation. Inspect the intake tract, air filter housing, and wiring for contamination or damage that could affect sensor readings. After installation, clear diagnostic trouble codes and confirm proper idle and throttle response.

Quality Assurance

NTK sensors are produced to OE-level standards and validated through demanding testing to support consistent performance in real-world driving conditions.

Compatible With

• Fits 2019-2021 Subaru WRX STI, N/A
• Fits 2019 Subaru Legacy, N/A
• Fits 2019 Subaru Outback, N/A
• Fits 2009-2018 Subaru Forester, N/A
• Fits 2008-2018 Subaru Legacy, N/A
• Fits 2008-2018 Subaru Outback, N/A
• Fits 2013-2018 Subaru WRX STI, N/A
• Fits 2016-2017 Subaru Crosstrek, N/A
• Fits 2008-2016 Subaru Impreza, N/A
• Fits 2013-2015 Subaru XV Crosstrek, N/A
• Fits 2013-2014 Subaru WRX, N/A