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Hyundai Elantra Engine Air Filter Replacement Guide
How to clean or change the engine air filter element in a 6th generation 2017, 2018, 2019 and 2020 Hyundai Elantra.

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2018 Elantra Nu 2.0L I4
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Engine Air Filter Housing
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Metal Latch - Front Right
This automotive maintenance tutorial was specifically written to assist owners of the 6th generation (2017, 2018, 2019, 2020 and perhaps also the 2021 model year) Hyundai Elantra sedan in checking, cleaning or changing the engine air filter element for the Nu MPi 2.0 liter Atkinson cycle inline four cylinder engine. The procedure should be the same or very similar for the Kappa 1.4L I4 engine and the Gamma 1.6L turbocharged I4 engine.

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

A few compatible replacement engine air filters specifically for the Nu MPi 2.0L Atkinson cycle I4 engine with their part numbers include the following: Premium Guard PA99194, EcoGard XA10578, F1AUTO FA9179 and Fram CA12057.

If your Elantra has the Kappa 1.4L I4 or the Gamma 1.6L turbo I4 engine, consult the Amazon Part Finder website before you purchase a new filter.

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

The first two steps are to open the hood and then move to the right (driver) side of the engine bay.

The black plastic rectangular shaped engine air filter housing is situated in front of the 12V automotive battery, to the left of the fuse box and behind the driver side headlight housing.



 

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Pull Out To Release Latch
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Metal Latch Released
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Right Rear - 2nd Latch
Locate the two black metal latches situated on the air box cover.

One latch is on the front right corner of the air box and the second latch is located on the right rear corner.

Flip the two metal latches down and away from air box cover to release them.

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Right Rear Latch Released
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Lift Off Air Box Cover
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Old Air Filter Exposed
Lift the right side of the cover to open the air box.

Slide the two plastic tabs on the left side of the cover out of the slots on the lower half of the air box.

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Pull Out Old Air Filter
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Old Air Filter Removed
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Inspect Both Sides
Lift the old air filter straight out of the bottom half of the air box.

Inspect both sides of the old air filter.

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

If the old filter looks relatively clean, just tap out the large debris and remove any fine dust with a wet/dry shop vacuum.

I recommend buying the Premium Guard PA99194 engine air filter since it has excellent reviews on Amazon.

The OEM (original equipment manufacturer) Hyundai / Kia engine air filter in this 2018 Elantra was part number Leehan 28113-F2000.

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Clean Out Bottom Half
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Lower In New Air Filter
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Slide Tabs In Slots - Left
If your vacuum has a crevice attachment and a hose, clean out any sand or debris in the bottom half of the air box.

Orientate the new air filter with the pleats facing down and the rubber gasket facing up towards you.

Lower the new filter down into the bottom half of the air box.

Lower the air box cover down towards the bottom half.

Slide the two tabs on the left side of the air box cover into their corresponding slots on the bottom half of the air box.

Swing down the right side of the air box cover to close it.

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Secure Metal Latch
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Pop Front Latch On
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Air Box Cover Secured
Flip up the two metal latches and snap them into place over the air box cover.

Double check that the two halves of the air box are flush together with no part of the new filter visible at the edges.

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

The service interval specification listed in the owner's manual states that the engine air filter should be changed every 22,500 miles or at least every 36 months (or 36,000 Kilometers).

For more, please check out all of my 2017-2020 Hyundai Elantra DIY Repair & Maintenance Guides.
 

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