K&N Universal 3.5" Flange Air Filter

Retail Price: $54.09 Our Price: $49.99
Vendor: K&N SKU: RU-3130


K&N universal air filters not only comes in various sizes and shapes for most applications, but part number RU-3130 comes in multi-lingual packaging featuring English, French, Spanish and German languages.

The universal air filter measures 4.625’’ in diameter and comes with a ultra-strong, molded, pliable rubber flange measuring 3.5’’ in diameter. This rubber is malleable, meaning it can not only be stretched for varying sizes, but also absorbs engine vibrations.

The cotton gauze filter construction uses high-quality steel mesh that allows for high airflow without compromising engine protection. The increased airflow allows for increased horsepower and acceleration while still providing excellent filtration. The cotton filter construction means the filters can be washed and reused.

The K&N RU-3130 universal air filter comes with a 1-year/unlimited mileage warranty against manufacturer defects from the date of purchase. However, if the filter was purchased as a direct replacement for a K&N air intake system, it comes with a 10-year/million-mile limited warranty.


Air Filter Large End Diameter 4.625 in (117 mm)
Air Filter Shape Round Tapered
Base Outside Diameter 4.625 in (117 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.99 oz (29 ml)
Flange Inside Diameter 3.5 in (89 mm)
Flange Length 0.625 in (16 mm)
Flange Type Centered
Flanges 1
Height 7 in (178 mm)
Outside Diameter 4.625 in (117 mm)