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Exterior Components› Body Panels and Components
K&N Engineering
K&N Replacement Air Filter FRONTIER 2.5L DIESEL
SKU: K001 E-2020
Beginner — under 30 min
Overview
Show original supplier description
Part #: E-2020
K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!
K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Engine feels sluggish during acceleration
- Decreased fuel economy noticed at fill-ups
- Engine hesitation when stepping on gas
- Dirty or clogged air filter visible upon inspection
- Check Engine light may or may not be on
Relevant Conversations
- engine feels sluggish and lacks power what to check
- K&N air filter E-2020 review for better MPG
- drop in performance air filter vs stock
- car hesitates when accelerating air filter issue
- K&N E-2020 fits my car 2004 Honda Civic
- reusable air filter vs disposable which is better
- best air filter for horsepower and throttle response
- how to clean and recharge K&N filter E-2020
- K&N air filter installation time and tools needed
- cotton gauze air filter vs paper OEM comparison
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | K&N Engineering |
| Part Number | K001 E-2020 |
Videos
Are K&N Filters ACTUALLY An Upgrade? Why I'm Switching Back To Paper:
Does K&N Air Filters Mean Disaster for Your Vehicle? Revealing the Truth You Must Know!
Do K&N Air Filters Destroy Your Car’s Engine
How to Clean a K&N Air Filter | Fast & Easy!
Bill's opinion On K&N Air Filters - Tip Of The Week
How to Clean K&N Oiled Cotton Flat Panel Air Filters | OFFICIAL INSTRUCTIONS
Which Car Air Filter is Best? Let's find out! Fram, K&N, Wix, Purolator, & AC Delco showdown
Why NOT to use K&N Air Filters
K&N Cabin Air Filter Cleaning
K&N Air Filters Review at RevZilla.com
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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