According to the “Warranty & Maintenance Manual”, the engine air filter element for the MIVEC 2.4L I4 naturally aspirated engine should be changed every 30,000 miles (or at least every two years). Check out the DIY tutorial for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.
2014-2021 Mitsubishi Outlander Engine Air Filter Replacement Guide
