Skip to content

K&N Round Air Filter Assembly 5.125 in FLG / 9in OD / 6.375 in H w/ Vent

Marsoni M251S
Sale price$146.99
Pay 4 payments of $36.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
K&N Round Air Filter Assembly 5.125 in FLG / 9in OD / 6.375 in H w/ VentK&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner assemblies are designed for use with any engine that uses a round element air cleaner housing. They incorporate our famous K&N Air Filters and provide more air flow than other assemblies of this type. Available in 4 different designs, the perfect assembly is sure to be
Easy Shipping

Quick Dispatch:

Your K&N Round Air Filter Assembly 5.125 in FLG / 9in OD / 6.375 in H w/ Vent 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 Round Air Filter Assembly 5.125 in FLG / 9in OD / 6.375 in H w/ Vent ships.

Need Help?
Questions about K&N Round Air Filter Assembly 5.125 in FLG / 9in OD / 6.375 in H w/ Vent, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for K&N Round Air Filter Assembly 5.125 in FLG / 9in OD / 6.375 in H w/ Vent in your area.

Get Shipping Estimates

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
4.8 ★★★★★
Based on 1729 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
L
Verified Purchase
LDS
Pawtucket, US
★★★★★ 3
It high quality but usable.
Size: 16 x 18 Inch, Size: 16 x 18 Inch
Kind of poor quality. The 4 way connectors do not set level to each other and the 3/16” Allen screws strip out very easily. I wouldn’t buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
D
Verified Purchase
Debra M
Lexington, US
★★★★★ 5
Metal table legs
Size: 28 x 24 Inch
Table legs are very sturdy for our two inch thick, round cut, epoxy slab. Great accent table.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 12, 2026
E
Verified Purchase
Elaine tracey
Draper, US
★★★★★ 5
Superb
Size: 16 x 18 Inch
They were very struggling, made it easy to put together.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2026
L
Verified Purchase
Luis Garcia
Carnegie, US
★★★★★ 1
Not worth the price
Size: 16 x 18 Inch
Cheap piece of crap should be 20 bucks
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 23, 2025
D
Verified Purchase
DJ
Birmingham, US
★★★★★ 5
Great resource
Format: Paperback
Great resource for urgent care and ER settings
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 16, 2025

recommand products