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RU-4250 Tapered Filter Flange Dia.- F: 3.75 in. , 95 mm
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K&NPART NUMBER: 599-RU-4250

RU-4250 Tapered Filter Flange Dia.- F: 3.75 in. , 95 mm

$9499
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3.75'' (95 mm) Flange Diameter
Tapered Filter
  • Flange Dia.- F: 3.75'', 95 mm
  • Base Outside Dia.: 5.375'', 137 mm
  • Top Outside Dia.: 4.375'', 111 mm
  • Length- L: 5'', 127 mm
  • Top Style: Rubber
  • Flange Length-FL: 0.625'', 16 mm
  • Flange Angle-FA: 0º
  • Flange Offset: 0''

    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 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.

    • Designed to increase horsepower and acceleration
    • Hundreds of sizes and shapes for most applications
    • High air flow with excellent filtration
    • High air flow with excellent filtration
    • Clamp-on washable and reusable air filter
    • Malleable flanges
  • Part TypeAir Filter
    BrandK&N
    Package Height5 in (127 mm)
    Package Width6.6
    Package Length7.5
    Weight1.08 PG
    Weight1.2 lb (0.5 kg)
    Part CategoryPerformance Parts
    Flange Length0.625 in (16 mm)
    Top MaterialNone
    Flange Center To Center0 in (0 mm)
    Top StyleRubber
    Package Contents1 Air Filter
    Air Filter Large End Diameter5.375 in (137 mm)
    Air Filter Bottom Measurement (In.)5.375 diameter
    Air Filter Top Measurement (In.)4.375 diameter
    Top Material/FinishNone
    Top Inside Diameter0 in (0 mm)
    Base Outside Diameter5.375 in (137 mm)
    Frame DesignFlexible
    Flange Angle0 degrees
    Flange Angle (Deg)0
    Flanges1
    QuantitySold individually
    Overall Length5 in (127 mm)
    Air Filter ShapeRound Tapered
    Inner WireNo
    Top Outside Diameter4.375 in (111 mm)
    Oil IncludedYes
    Flange TypeCentered
    Filter Re-Oiling Amount0.97 oz (29 ml)
    Air Filter StyleConical
    Product StyleRound Tapered Universal Air Filter
    Flange Inside Diameter3.75 in (95 mm)
    Base Inside Diameter0 in (0 mm)
    Part FitmentUniversal
    Inlet Flange Inside Diameter3.75 in (95.25 mm)
    Flange Offset0 in (0 mm)
    WashableYes
    Vendor Part NumberRU-4250
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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