Check out my DIY tutorial for changing the engine air filter element (with the compatible replacement part numbers) in a tenth generation (2014, 2015, 2016, 2017 & 2018) GM Chevy Impala equipped with the Ecotec LKW DOHC 2.5 liter inline four cylinder motor, by clicking on the text link or the thumbnail image below.
2014-2018 GM Chevy Impala Engine Air Filter Replacement Guide