The OEM iridium tipped spark plugs in a 12th generation (2019 hatchback, 2020, 2021 & 2022 sedan) Toyota Corolla can last up to 120,000 miles but they should be checked before that mileage. To view the DIY tutorial for the procedure (with the compatible replacement part numbers), click on the text link or thumbnail image below.
2020, 2021 & 2022 Toyota Corolla Spark Plugs Replacement Guide
