HomeEmission Control > SensorsSpectra MA463 Mass Air Flow Sensor
Part #: MA463

Spectra MA463 Mass Air Flow Sensor

⚙️ 12 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Subaru, Forester and WRX
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Reliable Mass Air Flow Sensor for Subaru Forester and WRX

The Spectra MA463 Mass Air Flow Sensor is designed to provide accurate airflow measurement for Subaru Forester and WRX models. This sensor helps maintain optimal engine performance by ensuring precise air intake readings.

  • Direct replacement Mass Air Flow Sensor for Subaru Forester and WRX
  • Part number MA463 for easy identification and compatibility
  • Measures the volume and density of air entering the engine
  • Supports efficient fuel injection and combustion processes
  • Compatible with emission control systems to reduce pollutants

Product Details and Functionality

The Spectra MA463 Mass Air Flow Sensor is an essential component in the emission control system of Subaru Forester and WRX vehicles. It accurately measures the amount of air entering the engine, allowing the engine control unit (ECU) to adjust fuel delivery accordingly. This precise measurement helps maintain the correct air-fuel ratio, which is critical for engine efficiency, performance, and emissions compliance. The sensor is engineered to meet OEM specifications, ensuring reliable operation and durability under various driving conditions.

Common Issues Addressed by the MA463 Sensor

  • Irregular engine idling or stalling
  • Reduced fuel efficiency and increased emissions
  • Check engine light triggered by airflow sensor faults
  • Poor acceleration or hesitation during throttle response
  • Engine performance inconsistencies related to air intake measurement

Installation Notes and Tips

When installing the Spectra MA463 Mass Air Flow Sensor, ensure the vehicle is turned off and cooled down. Carefully disconnect the electrical connector and remove the old sensor without damaging the air intake system. Install the new sensor securely, making sure the connector is properly seated to avoid signal issues. It is recommended to inspect the air filter and intake tubing for debris or damage during installation to maintain sensor accuracy.

Quality Assurance and Warranty Information

Manufactured by Spectra, the MA463 Mass Air Flow Sensor is built to meet strict quality standards for emission control components. While specific warranty details are not provided, Spectra products typically undergo rigorous testing to ensure durability and performance. Using this sensor helps maintain compliance with emission regulations and supports the longevity of your Subaru Forester or WRX engine.

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2021SubaruWRX2.0LH4N/A
2020SubaruWRX2.0LH4N/ACompatible with multiple Mass Air Flow Sensors.
2019SubaruWRX2.0LH4N/ACompatible with multiple Mass Air Flow Sensors.
2018SubaruForester2.0LH4N/ACompatible with multiple Mass Air Flow Sensors.
2018SubaruWRX2.0LH4N/ACompatible with multiple Mass Air Flow Sensors.
2017SubaruForester2.0LH4N/ACompatible with multiple Mass Air Flow Sensors.
2017SubaruWRX2.0LH4N/ACompatible with multiple Mass Air Flow Sensors.
2016SubaruForester2.0LH4N/ACompatible with multiple Mass Air Flow Sensors.
2016SubaruWRX2.0LH4N/ACompatible with multiple Mass Air Flow Sensors.
2015SubaruForester2.0LH4N/ACompatible with multiple Mass Air Flow Sensors.
2015SubaruWRX2.0LH4N/ACompatible with multiple Mass Air Flow Sensors.
2014SubaruForester2.0LH4N/ACompatible with multiple Mass Air Flow Sensors.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

22680AA410MA1351MAF0124MAS0518

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.