K&N Air Filter for 16-21 Honda Civic/CR-V 1.5T

K&N High-Flow Air Filter (33-5044) - 2016-2021 Honda Civic 1.5T & 2017-2022 CR-V 1.5T

This is the washable, reusable alternative to the paper filter your car came with. It drops into your factory air box with no modification, it flows better than the disposable element, and instead of buying a new filter every service interval, you clean this one and put it back. K&N backs it with their No-Hassle Lifetime Limited warranty, so realistically this is the last air filter your Civic or CR-V needs.

Buy It Once, Clean It Forever

That's the actual value proposition. A paper filter is a consumable, you throw it away and buy another. This is layered cotton gauze in a flexible frame, and it's designed to be washed, re-oiled, and reused for the life of the vehicle.

K&N rates it for cleaning up to every 75,000 miles under normal highway driving. Dusty conditions or a lot of gravel road time will shorten that, so check it rather than counting on the number, but either way you're servicing a filter instead of replacing one. Over the years you keep the car, that adds up.

Getting The Re-Oiling Right

This is the part worth paying attention to, and it's where people occasionally get into trouble.

The filter arrives pre-oiled, so your first install is just a drop-in. When you eventually clean it, wash it, let it dry completely, then re-oil it with the specified 0.68 oz (20 ml). That number matters. Over-oiling is the classic mistake, and excess oil can migrate onto your mass airflow sensor, which then reads incorrectly and gives you driveability problems that are annoying to trace back to a filter.

Measure it, apply it evenly, and you'll never have an issue. Eyeball it heavily and you might.

Confirm Your Engine Before Ordering

One check, and it's important because Honda used several different air boxes across these years.

This filter is for the 1.5L turbo specifically. It measures 9.875 x 5.438 x 1.5 inches, so if you want certainty, pull your current filter and measure it against that.

It does not fit the Civic 2.0L, the Civic Type R, the 2022 and newer Civic 1.5T, or the Acura Integra. Those cars use different boxes and different panels. The 2021 model year cutoff on the Civic matters too, since the 11th gen changed things.

Installing It

Straightforward. Seat the frame flat in the lower air box, make sure no edge is folded or pinched under the lip, and close the lid without forcing it. If the lid needs pressure to latch, something isn't seated right, so open it and check rather than clamping down on it.

That's the whole job. Factory box, factory intake layout, nothing else changes.

Honest Expectations

Worth being straight about what a drop-in panel filter does. This flows better than a restrictive paper element and it's washable for the life of the car. What it isn't is a power modification. Any drop-in filter working inside a stock air box is limited by that box, so buy this for the reusability and the better flow, not because you're expecting to feel a difference in the seat.

Specifications

• Part number: 33-5044
• Dimensions: 9.875 x 5.438 x 1.5 in (251 x 138 x 38 mm)
• Media: layered cotton gauze, pre-oiled
• Re-oil amount: 0.68 oz (20 ml)
• Service interval: up to 75,000 miles under normal highway use
• Honda OE cross-reference: 17220-5AA-A00
• Warranty: K&N No-Hassle Lifetime Limited

Fitment

1.5L turbo engines only:

2016 Honda Civic EX-T, EX-L, Touring
2017-2018 Honda Civic EX-T, EX-L, Touring, Sport Touring, Si
2019-2020 Honda Civic EX, EX-L, Touring, Sport Touring, Si
2021 Honda Civic EX, EX-L, Touring, Sport Touring
2017-2022 Honda CR-V EX, EX-L, Touring

Who Should Grab One

This is for the 1.5T owner who'd rather service a filter than keep buying them, and who plans on keeping the car a while. It's an easy swap, it's covered for life, and it means one less consumable on your maintenance list. Confirm you've got the 1.5 turbo, drop it in, and clean it when it needs it.

Fits: 2016-2021 Honda Civic 1.5T and 2017-2022 Honda CR-V 1.5T. Does not fit: Civic 2.0L, Civic Type R, 2022+ Civic 1.5T, or Acura Integra. Part number: 33-5044. Dimensions: 9.875 x 5.438 x 1.5 in. Re-oil amount: 0.68 oz (20 ml). Warranty: K&N No-Hassle Lifetime Limited.