Top 10 Best Air Filter For 400ex – Available On Market

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Having trouble finding a great Air Filter For 400ex? We understand your problem. We have gone through all resources on the internet to make a comprehensive list of the Best Air Filter For 400ex available in the market today. Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Air Filter For 400ex. See our ranking below!

Comparison Chart for Best Air Filter For 400ex

The market is filled with many air filter for 400ex. You might find yourself struggling to choose the best one. Our team were considered 43965 reviews when writing our recommendations for the Best Air Filter For 400ex in this article.

Comparison Chart of Top 10 air filter for 400ex

NoProductScoreAction
1Uni Filter NU-4126ST 2-Stage Air Filter9.6Check Price On Amazon
2Physeed 17254-HN1-000 TRX 400EX Air Filter Oil Spark Plug Replacement for Sportrax 400 Rubicon Pioneer 500 TRX500FM TRX500FE TRX500FPE TRX500FPM TRX400X TRX420FA ATV9.6Check Price On Amazon
3AloneGoer 17254-HN1-000 400EX Air Filter Compatible with Pioneer 500 Air Filter Foreman TRX400EX TRX400X TRX420FA TRX420FE TRX420FM TRX420TE TRX420TM TRX500FA TRX500FE TRX500FM SXS500M9.4Check Price On Amazon
4Uni Dual Stage Air Filter for Honda Foreman 450 Fourtrax 300 Rancher 350 400 TRX3009Check Price On Amazon
5K&N Engine Air Filter: High Performance8.6Check Price On Amazon
6Uni Filter NU-4119ST 2-Stage Air Filter8.6Check Price On Amazon
7Air Filter & Oil Filter Replacement for Honda Rancher 350 420 TRX350 Foreman 400 450 Fourtrax 3008.6Check Price On Amazon
8400EX Air Filter for Compatible with Foreman Dual Stage 17254-HN1-000 500 4x4 (TRX500FM8.4Check Price On Amazon
9HIFROM ATV Air Filter Element Cleaner Replacement for Honda TRX400EX TRX400X TRX420FA1 TRX420FA2 TRX420FE TRX420FM TRX420TM TRX420TE TRX500FM TRX500FE TRX500FM Replace 17254-HN1-000 (Pack of 1)8.2Check Price On Amazon
10Breynet 400ex TRX400ex Air Filter 17254-HN1-000 Compatible With Pioneer 500 TRX 400 420 500 650 Sportrax 400 Rancher 420 Foreman 500 Rubicon 500 Rincon 650 Atv Parts With Oil Filter8.2Check Price On Amazon
Disclaimer: As An Amazon Associate I Earn From Qualifying Purchases.

1. Uni Filter NU-4126ST 2-Stage Air Filter

Uni Filter NU-4126ST 2-Stage Air FilterCheck Price On Amazon
  • Manufactured by Uni Designed to fit in the factory air box exactly like the original filter Uni filter’s unique two stage design allows for easy & complete cleaning.
  • UNI Brand Established in 1971
  • Race proven technologies
  • Durable long lasting filters

2. Physeed 17254-HN1-000 TRX 400EX Air Filter Oil Spark Plug Replacement for Sportrax 400 Rubicon Pioneer 500 TRX500FM TRX500FE TRX500FPE TRX500FPM TRX400X TRX420FA ATV

Physeed 17254-HN1-000 TRX 400EX Air Filter Oil Spark Plug Replacement for Sportrax 400 Rubicon Pioneer 500 TRX500FM TRX500FE TRX500FPE TRX500FPM TRX400X TRX420FA ATVCheck Price On Amazon
  • Replace # : 17254-HN1-000
  • For TRX400EX Sportrax 1999-2008； TRX400X Sportrax 2009 / 2012-2014; ; Rincon 650 4×4 (TRX650FA & TRX650FGA) 2003-2005.
  • For Rancher 420 (TRX420FA1, TRX420FA2, TRX420FE, TRX420FM, TRX420TM & TRX420TE) 2014-2016; Rubicon 500 4×4 Auto (TRX500FM) 2016.
  • For Foreman 500 4×4 (TRX500FM, TRX500FE, TRX500FPE & TRX500FPM) 2012-2016; Rubicon 500 4×4 (TRX500FA) 2015-2016.
  • For Pioneer 500 (SXS500M) 2015-2016; Rubicon 500 4×4 (TRX500FA & TRX500FGA) 2001-2004

3. AloneGoer 17254-HN1-000 400EX Air Filter Compatible with Pioneer 500 Air Filter Foreman TRX400EX TRX400X TRX420FA TRX420FE TRX420FM TRX420TE TRX420TM TRX500FA TRX500FE TRX500FM SXS500M

AloneGoer 17254-HN1-000 400EX Air Filter Compatible with Pioneer 500 Air Filter Foreman TRX400EX TRX400X TRX420FA TRX420FE TRX420FM TRX420TE TRX420TM TRX500FA TRX500FE TRX500FM SXS500MCheck Price On Amazon
  • Replace number: 17254-HN1-000
  • Replace TRX400EX TRX400X 1999-2014; TRX420FA TRX420FE TRX420FM TRX420TE TRX420TM 2014-2020
  • Replace TRX500FA TRX500FE TRX500FM TRX500FPE TRX500FPM 2012-2019； TRX520FA TRX520FE TRX520FM 2020
  • Replace TRX650FA TRX650FGA 2004-2005； SXS500M 2015-2020
  • Package include: 2x air filter

4. Uni Dual Stage Air Filter for Honda Foreman 450 Fourtrax 300 Rancher 350 400 TRX300

Uni Dual Stage Air Filter for Honda Foreman 450 Fourtrax 300 Rancher 350 400 TRX300Check Price On Amazon

5. K&N Engine Air Filter: High Performance

K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 1999-2014 HONDA (TRX400X, TRX400EX) HA-4099Check Price On Amazon
  • ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle
  • ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.
  • EASY INSTALLATION: Pre-oiled and ready to install One of the easiest and most cost-effective upgrades for your motorcycle or ATV for quick performance gains.
  • SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.
  • ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste A K&N filter will last longer than 10 disposable filters.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
  • HIGH QUALITY: Made in America

6. Uni Filter NU-4119ST 2-Stage Air Filter

Uni Filter NU-4119ST 2-Stage Air FilterCheck Price On Amazon
  • 2-stage filtration increases performance and engine life
  • Dual filters trap dirt, keep motors running clean even under the most severe conditions
  • Completely washable
  • Fit type: Vehicle Specific

7. Air Filter & Oil Filter Replacement for Honda Rancher 350 420 TRX350 Foreman 400 450 Fourtrax 300

Air Filter & Oil Filter Replacement for Honda Rancher 350 420 TRX350 Foreman 400 450 Fourtrax 300Check Price On Amazon
  • High Quality】Brand New Air Filter & Oil Filter designed for maximum surface area, made of high quality material for higher stablity and reliability,which will built to long lasting durability.
  • Install】Direct Fit, Engineered and Tested to Exceed Original Equipment Standards and Performance
  • Replaces OEM Part Numbers】17254-HN5-670,17254-HC5-900
  • Feature】Washable and Reusable for Prolonged Use
  • Fitment】97-03 Honda Foreman 400 TRX400FW 4×4; 98-04 Honda Foreman 450 TRX450FE 4×4 ES; 98-04 Honda Foreman 450 TRX450FM 4×4 S; 95-96 Honda FourTrax Foreman 400 TRX400FW 4×4; 00-06 Honda Rancher 350 TRX350FE 4×4 ES; 00-06 Honda Rancher 350 TRX350FM 4×4 S; 00-06 Honda Rancher 350 TRX350TE 2×4 ES; 00-06 Honda Rancher 350 TRX350TM 2×4.

8. 400EX Air Filter for Compatible with Foreman Dual Stage 17254-HN1-000 500 4×4 (TRX500FM

400EX Air Filter for Compatible with Foreman Dual Stage 17254-HN1-000 500 4x4 (TRX500FM, TRX500FE, TRX500FPE & TRX500FPM)ATVCheck Price On Amazon
  • UNIVERSAL FIT:400EX Air Filter for Compatible with Foreman 17254-HN1-000
  • WORKS FOR BRANDS: Fits Compatible with : TRX400EX (98-08) TRX400X (09-14) TRX420FA (14-16) TRX420FE (14-16) TRX420FM (14-16) TRX420TE/TM (14-16) TRX500FA Compatible with Rubicon (01-04, 15 & 16) TRX500FE Compatible with Foreman 4×4 ES (12-16) TRX500FGA Compatible with Foreman Rubicon/GPScape (04) TRX500FM Compatible with Foreman 4×4 (12-16) TRX500FPE Compatible with FourTrax Foreman 4×4 (12 & 13) TRX500FPM.
  • Replacement For: Compatible with 17254-HN1-000 NU4126ST320-20 Parts NU-4126ST 14-9003
  • Fits the Compatible with Models listed below: 1999 – 2008 Compatible with Sportrax TRX400EX 2009 / 2012 – 2014 Compatible with Sportrax TRX400X 2014 – 2016 Compatible with Rancher 420 (TRX420FA1, TRX420FA2, TRX420FE, TRX420FM, TRX420TM & TRX420TE).
  • PACKAGE INCLUDES1pc Air Filter,Non original aftermarket part,The part/product is not sponsored or endorsed by,or affiliated with the brands it fit.

9. HIFROM ATV Air Filter Element Cleaner Replacement for Honda TRX400EX TRX400X TRX420FA1 TRX420FA2 TRX420FE TRX420FM TRX420TM TRX420TE TRX500FM TRX500FE TRX500FM Replace 17254-HN1-000 (Pack of 1)

HIFROM ATV Air Filter Element Cleaner Replacement for Honda TRX400EX TRX400X TRX420FA1 TRX420FA2 TRX420FE TRX420FM TRX420TM TRX420TE TRX500FM TRX500FE TRX500FM Replace 17254-HN1-000 (Pack of 1)Check Price On Amazon
  • High quality replacement air filter element parts replacement for honda engine.
  • Air filter replacement for Honda TRX400EX，TRX400X，TRX420FA1，TRX420FA2，TRX420FE，TRX420FM，TRX420TM，TRX420TE，TRX500FM，TRX500FE，TRX500FPE，TRX500FPM，SXS500M，TRX500FA，TRX500FGA，TRX500FA，TRX500FM，TRX650FA & TRX650FGA，mmore details please see below.
  • 3. ATV Element Air Filter replace replacement for honda parts # 17254-HN1-000
  • 4. Package included: 1 x air filter
  • HIFROM focus on provide high quality products at fair price: Professional factory，Professional technical support; 3 Months warranty; if you unsatisfy with our product，you can return to our USA warehouse，no risk.

10. Breynet 400ex TRX400ex Air Filter 17254-HN1-000 Compatible With Pioneer 500 TRX 400 420 500 650 Sportrax 400 Rancher 420 Foreman 500 Rubicon 500 Rincon 650 Atv Parts With Oil Filter

Breynet 400ex TRX400ex Air Filter 17254-HN1-000 Compatible With Pioneer 500 TRX 400 420 500 650 Sportrax 400 Rancher 420 Foreman 500 Rubicon 500 Rincon 650 Atv Parts With Oil FilterCheck Price On Amazon
  • 17254-HN1-000 Air Filter Compatible With 400ex TRX400ex TRX 400 420 500 650 Kits
  • 17254-HN1-000 Air Filter Compatible With 2015 – 2016 Pioneer 500 (SXS500M)
  • 17254-HN1-000 Air Filter Compatible With 2014 – 2016 Rancher 420 (TRX420FA1, TRX420FA2, TRX420FE, TRX420FM, TRX420TM & TRX420TE).
  • Package Includes: 1 Pack 400EX Air Filter, 2 Packs Oil Filter
  • Note: Please aware of this is Non Original Aftermarket Part

How To Choose The Best Air Filter For 400ex

Does the thought of finding a great Air Filter For 400ex stress you out? Has your mind been juggling between choices when it comes to buying Air Filter For 400ex in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Air Filter For 400ex for themselves. We understand the stress associated with the buying process!

Since you’re here, you are obviously curious about Air Filter For 400ex. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.

There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.

But that’s not always easy, right? That's why we've taken time to compile a list of the best Air Filter For 400ex in today's market, on your behalf, so that there will be no more worries for you.

How did we come up with the list, you ask? How did we create this buying guide?

  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Air Filter For 400ex currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-

  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.


Top Air Filter For 400ex brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.

  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Air Filter For 400ex based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Air Filter For 400ex before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Air Filter For 400ex they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Air Filter For 400ex, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Air Filter For 400ex before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Air Filter For 400ex will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Air Filter For 400ex if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Air Filter For 400ex on the market, the products that got mostly negative ratings get filtered and discarded.
These are the criteria we have chosen our Air Filter For 400ex on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.

Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Air Filter For 400ex featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

Tags: Automotive

December 28, 2021 by Automotive Parts and Accessories Reviews

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