Features: 1.OE Number: MAF mass air flow sensor replacement part number is 22680?1MG0A, AFH60M 39 for reference, please double check the part number before purchasing. 2.Wide Application: The MAF sensor is replacement for Altima 2013?2015 2.5L, replacement for Pathfinder 2014 2.5L and replacement for Sentra 2013?2015 1.8L. 3.Replacement for Infiniti: Great replacement for Infiniti M35h 2012?2013 3.5L, replacement for Infiniti Q50 2014?2016 3.5L, replacement for Infiniti Q70 2014?2016 3.5L. 4.Function: The mass air flow sensor is used to measure the amount of air volume flowing into your car engine, and send the Electronic Control Unit ECU a voltage that represents the airflow. 5.When to Replace: You can replace your old MAF mass air flow sensor when these things happen: poor startup, instability at idling, poor drivability and stalling, to get better car performance. Specification: Item Type: Mass Air Flow Sensor Material: ABS OE: 22680-1MG0A, AFH60M 39 Fitment: Replacement for Altima 2013-2015 2.5L Replacement for Pathfinder 2014 2.5L Replacement for Sentra 2013-2015 1.8L Replacement for Infiniti M35h 2012-2013 3.5L Replacement for Infiniti Q50 2014-2016 3.5L Replacement for Infiniti Q70 2014-2016 3.5L Signs of a Bad Mass Air Flow Sensor: 1. Poor startup: First combustion occurs, but combustion is incomplete. 2. Instability at idling: High idle speed, low idle speed or unstable idle. 3. Poor drivability: Hesitation during acceleration, engine backfires, abnormal knocking or black smoke emitted. 4. Stalling: Shortly after startup, when accelerator is depressed or released. Note: 1. Please double check the part number of your item, matching information is for reference only. 2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!