The engine air filter element for a 4th generation (2014, 2015, 2016, 2017 and 2018) Subaru Forester SUV should be cleaned at every oil change and replaced at least every two to three years. Check out my DIY instructions for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.
2014-2018 Subaru Forester Engine Air Filter Replacement Guide
