K&N HA-2501 Washable Powersport Engine Air Filter

K&N HA-2501 is a washable, reusable powersport engine air filter listed for select Honda TRX250 models. Its oiled cotton-gauze construction and vehicle-specific fit are intended to support airflow while trapping dirt, but exact fitment should be matched to the ATV’s model and year.

At a glance

Washable, reusable filter made with oiled cotton gauze, according to the listing.
K&N claims the design provides high airflow and helps trap dirt and contaminants.
Listed for multiple Honda TRX250 variants, including Recon and TRX250X models across specified years.
The manufacturer describes its fit as OEM-style with application-specific seals where applicable.

Price

$67.19Save 20%

Reference price: ~~$83.99~~

Price checked: Nov 14, 2026

View offer

Often bought together

Outerwears 25-5806R Atv Pre-Filter K&N Ha-2501 Red

$28.84

Pros and cons

Pros

Reusable construction may reduce the need to replace a disposable filter, provided it is cleaned and maintained as directed.
The listing gives specific Honda TRX250 model and year applications to help narrow fitment.
Customer feedback reports positive fit experiences, including use with a stock air filter box.

Technical specifications

11 specifications

Identity
Brand	K&N
Model	HA-2501
Product grade	Performance Part
Fit type	Vehicle Specific Fit

Construction and care
Filter media	premium oiled cotton gauze
Washable and reusable	K&N pre-oiled washable filters offer a longer service life, helping reduce replacement costs while supporting extended maintenance intervals.

Listed vehicle applications
Compatible vehicles	2016-2026 HONDA TRX250TE FourTrax Recon ES 2016-2026 HONDA TRX250TM FourTrax Recon 2009-2026 HONDA TRX250X 2016 HONDA TRX250X SE 2002-2014 HONDA TRX250TE Recon ES 2002-2014 HONDA TRX250TM Recon 2001-2008 HONDA TRX250EX

Dimensions and installation
Weight listed	0.3 kg
Fit design	Made with application specific seamless sealing beads and custom seals for easy installation (Where Applicable).

Other details
EU spare part availability duration	10 years
Items	1

What to know before buying

The listing claims increased airflow and possible improvements to horsepower, acceleration, and engine response, but supplies no measured performance results. Verify the exact ATV model and year against the listed applications before ordering.

What’s in the box

Included

Air filter

Who is it for?

A good fit for

Honda ATV owners whose TRX250 model and year match the applications listed.
Riders who prefer a washable, reusable engine air filter and can follow its maintenance requirements.
Buyers seeking an OEM-style replacement with application-specific sealing features where applicable.

Less suited to

Owners of vehicles not listed as compatible, unless fitment is confirmed for their exact application.
Buyers seeking independently measured power gains or quantified filtration performance.

K&N HA-2501 Washable Powersport Engine Air Filter · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 117 ratings

5 stars76%76%
4 stars11%11%
3 stars4%4%
2 stars1%1%
1 star8%8%

Customer feedback highlights perceived quality and fit, with the supplied summary also describing positive performance reports, including one mention of smoother running after installation. These reports are customer impressions, not measured results. For an ATV owner matching the listed applications, fit feedback is relevant, while the model-year fitment still needs to be confirmed. Ratings are mostly positive but include a smaller one-star share, and do not explain the reasons behind individual ratings.

Positive themes

The supplied customer summary describes favorable impressions of build quality and fit.
The supplied customer summary reports positive performance impressions, including a mention of smoother running.

Frequently asked questions

Which vehicles does the listing identify as compatible?

It lists Honda TRX250TE FourTrax Recon ES and TRX250TM FourTrax Recon for 2016-2026 and 2002-2014, TRX250X for 2009-2026 and 2016 TRX250X SE, plus 2001-2008 TRX250EX. Confirm the exact model and year for your ATV.

Is the HA-2501 washable and reusable?

Yes. The listing describes it as a pre-oiled, washable and reusable cotton-gauze filter. Follow the product’s care instructions for cleaning and re-oiling.

Does it guarantee more horsepower or acceleration?

No. K&N claims high airflow may help improve horsepower, acceleration, and engine response. The supplied information does not include measured results or guarantee a specific gain.