K&N Universal Round Clamp-On Air Filter 3in Flange ID x 6in Base OD x 4.625in Top OD x 3in Height

K&N Universal Round Clamp-On Air Filter 3in Flange ID x 6in Base OD x 4.625in Top OD x 3in Height

Marsoni

M251S

$50.39

Get it in 3 business days with 1 day shipping. Friday, May 29

K&N Universal Round Clamp-On Air Filter 3in Flange ID x 6in Base OD x 4.625in Top OD x 3in HeightSKU: RU 5288 UPC: 024844366368 K&N Universal Round Clamp On Air Filter 3in Flange ID x 6in Base OD x 4. 625in Top OD x 3in Height The K&N RU 5288 is a high performance universal clamp on air filter designed for racing vehicles, radio controlled cars, generators, snowmobiles, tractors and custom intakes with 3in flanges. Its round tapered shape with 6in base OD, 4. 625in top OD and 3in height delivers increased airflow for better horsepower and

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I ordered this Engine Coolant Hose (part #11537545890) for my 2006 BMW 330xi as part of a comprehensive cooling system overhaul. Along with this hose, I had my mechanic replace the thermostat, water pump, radiator, expansion tank, and all other related hoses. This hose fit exactly as expected—no issues during installation. It’s been three weeks since the job was completed, and everything is performing flawlessly. No leaks, no warning lights, and the engine temperature remains stable under all driving conditions. Although this is not a genuine OEM part, the quality appears solid and it matched up perfectly with the original in terms of length, shape, and connector alignment. For anyone looking to refresh their aging BMW’s cooling system, this hose is a reliable and cost-effective option. Just be sure to verify the part number for compatibility before purchasing. Highly recommended if you’re doing preventive maintenance or replacing a failed hose as part of a larger cooling system repair.

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Reviewed in the United States on August 3, 2025

Verified Purchase

Man with plan

Louisville, US

★★★★★ 5

Highly recommend

Perfect fit for my Mercedes C300 V6

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Reviewed in the United States on March 1, 2026