If you need to check or change the engine air filter element in your seventh generation (2013, 2014, 2015 and maybe also the updated 2016 & 2017 model years) Nissan Sentra sedan with the MRA8DE 1.8 liter inline four cylinder motor, take a look at my DIY tutorial for the procedure (with the replacement part numbers) by clicking on the text link or thumbnail image below.