The iridium tipped OEM spark plugs in a first generation (2012, 2013, 2014, 2015 & 2016) Mazda CX-5 SUV should last up to 100,000 miles, but they should be checked well before that mileage to verify that the engine is running properly and to ensure that they do not become stuck or “frozen” in the cylinder head. Check out my DIY instructions for the procedure (including the replacement part numbers) by clicking on the text link or thumbnail image below.
Mazda CX-5 Skyactiv-G 2.0L I4 Engine Spark Plugs Replacement Guide
