



K&N Filter Universal Rubber Filter 3 Flange 4 1/2 Base inch 3 1/2 inch Top 5 3/4 inch Height
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
K&N Filter Universal Rubber Filter 3 Flange 4 1/2 Base inch 3 1/2 inch Top 5 3/4 inch HeightSKU: RU 5111 UPC: 024844104885 K&N RU 5111 Universal Clamp On Air Filter 3" Flange 4 1 2" Base 3 1 2" Top 5 3 4" Height The K&N RU 5111 universal clamp on air filter fits racing vehicles radio controlled cars generators snowmobiles tractors and more with its flexible 3 inch rubber flange that stretches up to 1 16 inch. This tapered round filter measures 4 1 2 inch base inside diameter 3 1 2 inch top inside diameter and 5 3 4 inch height for secure
Quick Dispatch:
Your K&N Filter Universal Rubber Filter 3 Flange 4 1/2 Base inch 3 1/2 inch Top 5 3/4 inch Height orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- 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.
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4.2 ★★★★★
Based on 524 reviews
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Product Reviews
★★★★★ 5
Works great
Size: 17996N
fit just right came on time and working just fine. This is priced very good I would recommend this product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 30, 2025
★★★★★ 5
2016 Acura Air Filter
Air filter for my 2016 Acura RDX fit great, installed it myself in one minute. Arrived at my house on time and in good condition, driver very courteous and respectful. Thank you very much Rick F.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 22, 2026
★★★★★ 5
Nice filter
Nice filter for acura rdx. Easy to install. Well priced.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Perfect fit
Fit my car perfectly and good quality filter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
★★★★★ 5
Satisfied with my purchase!
Well made, fit perfect and decent price.
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Reviewed in the United States on September 1, 2025
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