K&N Filter Universal Rubber Filter 3 Flange 4 1/2 Base inch 3 1/2 inch Top 5 3/4 inch Height

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

$42.39

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

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Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.

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Reviewed in the United States on February 26, 2024

Verified Purchase

Carl L. Bradley

Pawtucket, US

★★★★★ 1

Kinda flimsy…

Thought the assembly was metal, it’s some kind of PVC.

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Reviewed in the United States on September 22, 2025