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K&N Universal Air Filter - Round Tapered 3.5in Flange ID / 5.5in Base OD / 4.5in Top OD / 6.5in H

Marsoni M251S
Sale price$128.32
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K&N Universal Air Filter - Round Tapered 3.5in Flange ID / 5.5in Base OD / 4.5in Top OD / 6.5in HThe RP 4630 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a K&N embossed carbon fiber top for strength and durability. The carbon fiber element adds to the light weight design and gives this filter a smooth glass like finish. The RP 4630 is a clamp on filter that has an inside flange diameter of 3 1 2 inches and a flange length of 1 1 4 inches. The base diameter is 5 1 2 inches, the top diameter is 4 1 2 inches
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
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4.4 ★★★★★
Based on 1087 reviews
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Verified Purchase
Amazon Customer
Chelsea, US
★★★★★ 5
Great OEM replacement at hlaf the cost
Looks exactly like the OEM filter a quality product. it is the same size fit and performance. Filter replacement is fast 10 min tops, it's crazy how much a dealer charges to replace it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2025
E
Verified Purchase
Elliot
Grantham, US
★★★★★ 5
As good as Honda OEM
Perfect fit. Lasts as long as OEM for 25% of the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
F
Verified Purchase
Fatman
Charlottesville, US
★★★★★ 5
Great fit
Perfect fit. FYI - I bought the exact same one on EBAY FOR $11.78
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Reviewed in the United States on May 2, 2026
A
Verified Purchase
Amazon Customer
New York, US
★★★★★ 5
East
Easy to replace and great fit
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Reviewed in the United States on January 4, 2026
T
Verified Purchase
Tom
Los Angeles, US
★★★★★ 5
Perfect fit
Nice quality
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Reviewed in the United States on May 10, 2025

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