The OEM iridium tipped spark plugs in a fourth generation (2011, 2012, 2013, 2014 & 2015) Hyundai Accent should last up to 100,000 miles, but it would be best to check them well before that mileage to see how the engine is running. To view my DIY tutorial for the procedure (including replacement part numbers) click on the text link or thumbnail image below.
2011-2015 Hyundai Accent 1.6L I4 Engine Spark Plugs Replacement Guide
