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K&N E-3770 High-Performance 14
K&N E-3770 High-Performance 14
K&N E-3770 High-Performance 14
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K&N E-3770 High-Performance 14" x 6" Round Replacement Air Filter

Marsoni M251S
Sale price$210.00
Pay 4 payments of $52.50 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
K&N E-3770 High-Performance 14" x 6" Round Replacement Air FilterProduct Overview The K&N E 3770 is an advanced high performance air filter tailored for automotive enthusiasts looking to optimize engine performance. This washable and reusable filter enhances engine efficiency through superior airflow and filtration, ensuring long term engine protection. The filter integrates K&N's cutting edge design to amplify airflow, resulting in improved horsepower and acceleration. Ruggedly constructed with a red cotton gauze
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Your K&N E-3770 High-Performance 14" x 6" Round Replacement Air Filter orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your K&N E-3770 High-Performance 14" x 6" Round Replacement Air Filter ships.

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 1994 reviews
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Product Reviews
M
Verified Purchase
Mr. Cool
Draper, US
★★★★★ 5
Power steering clean
Size: 12 Fl Oz (Pack of 1)
Worked well for my Honda. Changed out the old fluid which was black. Now it's clean and yellow. Car drives a lot better steering. 5 stars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2026
R
Verified Purchase
R.C.
Cuba, US
★★★★★ 5
The real stuff
Size: 12 Fl Oz (Pack of 1)
Fine product at a great price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
J
Verified Purchase
Johnboy60
San Leandro, US
★★★★★ 5
Quality Parts
Size: CRV 2017-22 1.5L Gas
These fit as well as the original parts at a good price. I will order again as needed. Happy with my purchase! Quality parts , easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
E
Verified Purchase
Evan
Massapequa, US
★★★★★ 5
What an awesome and easy way to save a few bucks at your next oil change!
Size: CRV 2017-22 1.5L Gas
This air filter was a perfect fit in my 2021 Honda CR-V!  As a rather cheap product, I was pleasantly surprised that the filters fit perfectly and gave me no issues during installation.  What an awesome and easy way to save a few bucks at your next oil change! 
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 30, 2025
C
Verified Purchase
Cecil
Alexandria, US
★★★★★ 5
fits well
Size: CRV 2017-22 1.5L Gas
good packaging item fit perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 3, 2026

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