


K&N Universal Clamp-On Air Filter 2-3/4in FLG / 5-1/16in B / 3-1/2in T / 4-3/8in H
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
K&N Universal Clamp-On Air Filter 2-3/4in FLG / 5-1/16in B / 3-1/2in T / 4-3/8in HSKU: RU 5135 UPC: 024844394378 K&N Universal Clamp On Air Filter 2 3 4in FLG 5 1 16in B 3 1 2in T 4 3 8in H K&N RU 5135 is a round clamp on universal air filter designed for racing vehicles radio controlled cars generators snowmobiles tractors and custom air intake setups regardless of intake angle or offset. This filter delivers increased airflow for better horsepower and acceleration while trapping contaminants with premium cotton gauze media.
Quick Dispatch:
Your K&N Universal Clamp-On Air Filter 2-3/4in FLG / 5-1/16in B / 3-1/2in T / 4-3/8in H 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 Universal Clamp-On Air Filter 2-3/4in FLG / 5-1/16in B / 3-1/2in T / 4-3/8in H 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
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4.8 ★★★★★
Based on 1432 reviews
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Product Reviews
★★★★★ 5
MDX filters
Size: CF11182&17220-61A-A00
The quality is excellent, the price is reasonable, and it's suitable for my MDX.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 4
Fit great
Size: CF11966&CA12260
Fit was great. Cabin filter was better quality than the original from GM.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 18, 2026
★★★★★ 5
Good deal
Size: CF10930&16546AA090
Seems a bit thinner than my last two, but they did come together for the price of one. Seems to be of good quality non the less. Fits well in my 2014 Subaru forester
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
★★★★★ 5
Good deal
Size: CA12377&CF12157
Easy to install and much cheaper than the dealership cost. Quality was good, also had installation instructions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
★★★★★ 5
I need you
Style: 2.0L
Great product! It fits perfectly and was very easy to install. Highly recommended."
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
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