The iridium tipped OEM spark plugs for the Nu 2.0 liter GDI inline four cylinder engine in a 3rd generation (2016, 2017 & 2018) Hyundai Tucson can last up to 105K miles. But they should be checked before that mileage. Take a look at my DIY directions for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.
2016-2018 Hyundai Tucson Spark Plugs Replacement Guide
