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Honda Civic Engine Air Filter Replacement Guide
How to clean or change the 2.0L I4 engine's air filter in a 10th generation 2016, 2017, 2018 and 2019 Honda Civic.

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2016 Civic 2.0L I4 Engine
Engine Air Filter Box
Front Left Metal Latch
This automotive maintenance tutorial was specifically written to assist owners of the tenth generation 2016, 2017, 2018 and 2019 Honda Civic in cleaning or changing the engine air filter element for the Earth Dreams K20C2 2.0 liter inline four cylinder engine. (The procedure should be the same or similar for Civic models with the 1.5L I4 engine.)

Owners of other Honda or Acura vehicles such as the Accord, Insight, Clarity, Fit, HR-V, CR-V, Pilot, Passport, Odyssey, Ridgeline, ILX, MDX, RDX, NSX, RLX and TLX may also find these DIY instructions to be helpful.

A few compatible replacement air filters with their part numbers include the following: EcoGard XA10496, Premium Guard PA99117, K&N 33-5045, F1Auto FA9151, Beck Arnley 042-1910 and AEM 28-50045.

(If your Civic has the 1.5L I4 engine, the best air filter option is the EcoGard XA10498.)

No tools are needed to access and replace the filter.

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

The square black plastic engine air box is located in front of the 12V automotive battery and to the left of the electrical fuse box.


Release Left Fastener
Right Side Metal Latch
Pull Off Right Fastener
There are two metal latches on the front corners of the air box.

One latch is at the front left corner and the other it the front right corner.

Firmly pull the top of the latch away from the air box cover.

Swing the hinged latch down and away from the cover.

Repeat the process to release the second latch.

Lift Up Air Box Cover
Old Filter Exposed
Remove Old Air Filter
Gently lift up the air box cover.

Pull the old filter straight out of the bottom half of the air box assembly.

Old Filter Removed
Inspect Both Sides
Honda Part # 71A20
Inspect both sides of the old filter.

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

I recommend buying the EcoGard XA10496 engine air filter since it has excellent reviews on Amazon.

The OEM (original equipment manufacturer) filter was marked as Honda part number 71A20.


Clean Out Lower Air Box
Install New Air Filter
Two Tabs - Rear of Cover
If you have a wet/dry shop vacuum with a crevice attachment, clean out any sand or debris in the bottom half of the air box.

Orientate the new filter with the slanted edge in the correct position.

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

Make sure the filter is fully seated in the air box.

Slots - Bottom Air Box
Slide Tabs Into Slots
Push On Air Box Cover
There are two black plastic tabs on the rear edge of the air box cover.

Line up the tabs with their two corresponding slots on the rear of the bottom half of the air box.

Slide the tabs into the slots and then lower the air box cover down into place.

Snap On Left Side Latch
Secure Right Side Fastener
Engine Air Filter Replaced
Swing up the two metal latches and pop them back into place over the air box cover.

Make sure 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 car's service records.

The "Maintenance Minder" system code that includes changing the engine air cleaner element is "B2".

On other Honda models, the service interval schedule specification for the engine air filter was to change it every 30,000 miles or every 24 months (two years). For severe driving conditions, you should replace the filter every 15,000 miles.

Please check out all of my 2016-2019 Honda Civic DIY Repair & Maintenance Guides.

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