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K&N Universal Clamp-On Air Filter 3-1/4in FLG / 5-3/4in B / 3-1/2in T / 5-7/16in H

Marsoni M251S
Sale price$75.99
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Get it in 3 business days with 1 day shipping. Friday, May 29
K&N Universal Clamp-On Air Filter 3-1/4in FLG / 5-3/4in B / 3-1/2in T / 5-7/16in HK&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra strong molded pliable rubber flanges which absorb vibration and allow for secure
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Your K&N Universal Clamp-On Air Filter 3-1/4in FLG / 5-3/4in B / 3-1/2in T / 5-7/16in H orders ship within 1-2 business days.

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

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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]
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4.8 ★★★★★
Based on 1602 reviews
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Product Reviews
K
K Alex
Phoenix, US
★★★★★ 5
Perfect!!!
This is exactly what I needed. Fits perfectly for my 2018 Honda Accord as well as being very easy to install. This is coming from someone who has no idea about doing anything on my car. Provides the best function, just as it would coming from a dealer or other auto shop. The quality is great as well, and this is exceptional value for the money. If you are looking to save money and not get bombarded with the filter replacement question when getting an oil change then this is the one for you.
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Reviewed in the United States on August 4, 2025
T
T. Isaacson
Charlottesville, US
★★★★★ 5
Fit is good.
Filters fit and look essentially the same as the filters I’ve purchased and the official types from the dealer. I live in an area where wildfires occur almost every year,  so it’s good to have an extra set of filters to change them out after a run of smoky days. 
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Reviewed in the United States on July 1, 2025
C
Charles
San Leandro, US
★★★★★ 5
Priced affordable, easy installation, fits snug and perfect and seems durable!!
This cabin air filter and engine air filter seems to be made of high quality materials, installation was a breeze, fitment seems to be perfectly snug affordably priced for a cabin air filter and an engine air filter combined, as for functionality, Only time will tell on its durability.
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Reviewed in the United States on July 2, 2025
A
Verified Purchase
AK
Charlottesville, US
★★★★★ 5
cabin air for 4th gen runner
fit perfectly in my 4th gen runner, mine was original if you can believe it, (2003) and needed HELP.. dont think just click the purchase button and enjoy fresh breathable air again.
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Reviewed in the United States on May 12, 2026
M
Verified Purchase
mikvv1
San Leandro, US
★★★★★ 5
Car cabin filter
No foul smells in the car, spray with an air freshener and it comes out great , the filter fits great being a carbon filter. I think it’s gonna do a great job.
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Reviewed in the United States on April 18, 2026

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