2016-2020 Kia Optima Replace Engine Air Filter

2016-2020 Kia Optima Engine Air Filter Replacement

Learn how to change the engine air filter on a Kia Optima. Changing the Kia intake air filter can be completed in just a few minutes.

Make sure you have the new filter ready before you start this job. You will only need one engine filter for your Kia Optima.

What you will need

  • Engine air filter for Kia Optima


how to change engine air filter kia optima
  1. Open Hood – Open the hood and locate the air filter housing. The air filter housing is a large plastic box on the engine’s left/right side. You will also see a large hose from the air filter housing to the engine.
  2. Access engine air filter – Open the air filter box by pulling out the cover. Unclasp the large clips that keep the filter locked.
  3. Install the new engine air filter – Pull out the old air filter. After you pull out the old air cleaner filter, the next step is to install the new air filter. Push the new air filter into the air filter housing. Lock the two tabs by pushing them upwards.
  4. Finish installation – Insert the new air filter in the box. Make sure it sits properly; otherwise, you may not be able to close the air filter housing correctly.


  • Between 15,000 and 30,000 miles, depending on driving conditions.

Frequently Asked Questions

Why should I change the air filter regularly?

  • Improved fuel economy. If the engine air filter gets clogged or dirty, it will restrict the air flowing into the engine. This means the air-to-fuel ratio is not within the manufacturer’s specifications; therefore, the engine will burn more fuel than it should.
  • Longer engine life. By changing the engine oil filter regularly, you will ensure that your car’s life is not shortened. Serious damage can be caused by dirt if it gets allowed into the engine combustion chamber. It is wiser to spend a few dollars on a new air filter than spend thousands on potential problems on top of spending more at the fuel pump.
  • The function of the air filter is to collect dirt, pollen, debris, and dust.

For more help with your vehicle, check out more repair guides for your vehicle.

Additional Resources

  1. Air Filter How-To: 2011-2016 Kia Optima
  2. Kia Optima Engine Air Filter Replacement Guide

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