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Kia Sportage Engine Air Filter Replacement Guide
How to clean or change the Theta II 2.4L I4 engine's air filter in a 4th generation 2017 to 2022 Kia Sportage.

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Paul B. Michaels
Author & Photographer
Auto Mechanic Since 1989

2018 Sportage 2.4L I4
Engine Air Filter Box
Pull Open Access Cover
This automotive maintenance tutorial was specifically written to assist owners of the fourth generation (2017, 2018, 2019 and probably also the refreshed 2020, 2021 and 2022) Kia Sportage SUV in cleaning or changing the engine air filter element for the Hyundai Theta II 2.4 liter inline four cylinder motor.

Owners of other Kia, Hyundai and Genesis vehicles such as the Niro, Optima, Soul, Forte, Rio, Stinger, Cadenza, K900, Sorento, Telluride, Sedona, Kona, Santa Fe, Tucson, Elantra, Sonata, Accent, Rondo, Carens, Veloster, Ioniq, Nexo, Palisade, G70, G80 and G90 may also find these DIY instructions to be helpful.

A few compatible replacement engine air filters with their part numbers include the following: EcoGard XA10426, Premium Guard PA99097 and Fram CA12065.

No tools are needed to access and replace the engine air filter.

A wet/dry shop vacuum may be useful if you plan on cleaning and re-using the original OEM filter.


Access Panel Opened
Plastic Locking Tab
Swing Down To Unlock
The first two steps are to open the hood and then move to the right (driver) side of the engine bay.

The engine air box is located just behind the 12V automotive battery, to the left of the electrical fuse box and in front of the brake fluid reservoir.

Pull the top edge of the filter access door to open it and reveal the old filter.

There are two plastic latches that secure the filter tray inside the slot.

Rotate the left side latch down and then swing the right side latch down to the "Unlocked" position.

Right Side Latch Tab
Unlock Right Side Latch
Slide Out Old Filter
Pull the old air filter straight out of the slot.
Old Filter Removed
Inspect Both Sides
Clean Out Filter Slot
Inspect both sides of the old filter.

If the OEM filter is dark grey or black and clogged with dirt, dust, hair, soot, pollen, leaves, insects, sand and other debris, it should be replaced with a new element.

I recommend buying the EcoGard XA10426 engine air filter since it has excellent reviews on Amazon.

If the old filter is relatively clean, just tap out the large debris and remove any fine dust with a vacuum cleaner.

Check the filter slot in the air intake box for any large debris such as leaves or twigs.

If your vacuum has a crevice attachment, clean out any debris from the filter slot.


Clean With Vacuum
2017-2022-Kia-Sportage-Engine-Air-Filter-Replacement-Guide-014 2017-2022-Kia-Sportage-Engine-Air-Filter-Replacement-Guide-015
Line Up New Filter
Line up the new filter with the two locking tabs located at the outer edge (closest to you).

Slide the new filter straight into the slot.

Due to the plastic tray, the filter can only be inserted in the correct orientation.

If the new filter doesn't slide in easily, you may have to flip it over to the correct position.

Slide New Filter Into Slot
Swing Up Left Side Lock
Secure Right Side Lock
Swing the left and right side grey plastic latches up to the "Locked" position.

Double check that the new filter is securely installed.

New Filter Secured
Close Access Door
Engine Filter Replaced
Swing the filter access cover up and push on it to secure the retaining clips.

Be sure to record the filter change in your vehicle's service records.

Please check out all of my 2017-2022 Kia Sportage DIY Repair & Maintenance Guides.

If you found this guide to be helpful, please consider making a small donation by clicking on the "Donate" button located to the right of this paragraph. Thank you!
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