Spectra Premium MA321 Mass Air Flow Sensor

Spectra Premium MA321 Mass Air Flow Sensor is a direct-fit replacement for a subset of Nissan and Infiniti models, designed to deliver accurate air-flow readings to the engine control unit for proper fuel metering. This MA321 part from Spectra Premium Industries is cross-referenced to OE numbers 22680-1MG0A and 226801MG0A, helping confirm compatibility with listed vehicles. It fits 2013–2016 Nissan Altima and 2013–2016 Nissan Sentra, as well as 2014–2018 Infiniti Q50, 2014–2017 Infiniti QX60, 2014 Nissan Pathfinder, 2012–2013 Infiniti M35h, and 2014–2018 Infiniti Q70 (based on retailer and Spectra catalog listings). The Spectra MA321 is cataloged in the company's mass air flow sensor range and is referenced for Infiniti Q50 Hybrid variants, illustrating broad coverage across Nissan/Infiniti applications. The MA321 is represented by retailers such as A-Premium, CARiD, FinditParts, and Walmart, reflecting its role as a widely used aftermarket MAF option for these vehicles. This part helps the engine control unit adjust fuel delivery as air intake changes, supporting proper idle and smooth acceleration.