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Product Summary

Universal Fit, Cotton Gauze, 8" Overall Height

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    Key Specs

    MFG. Part #RU-5122
    BrandK&N
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    Need To Know

    Quick and Easy Returns

    Return Policy

    K&N RU-5122 Details

    K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16" (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.
    • Regardless of the angle or offset diameter of an air intake, there is probably a K&N Universal air filter for your equipment
    • K&N universal air filters are washable and reusable

    Rebates

    K&N 20% Off Air & Cabin Filter Sale 2026

    K&N is gearing up for spring with our 20% Off Air & Cabin Filter Sale! From May 14, 2026, through June 30, 2026, customers can enjoy a 20% savings on select K&N parts. Sale prices are applicable only to purchases made within the specified sale period. No rainchecks or exceptions will be provided. This sale cannot be combined with any other offers, discounts, or promotions.

    Warranty Information

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    K&N RU-5122 Specifications

    KEY SPECS
    MFG. Part #RU-5122
    BrandK&N
    GENERAL
    Material TypeCotton Gauze
    Overall Height8"
    Diameter Big End5.5"
    ShapeRound Tapered
    GTIN Code024844108456
    Base Outside Diameter5.5"
    Flange I.D.3.25"
    Flange Length1.625"
    Flange TypeCentered
    Top O.D.4.688"
    Customer Impersonation Script