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K&N RC-1289

K&N Round Straight Air Filter Flange Dia. (F): 1.875" (48 mm)


Ships directly from the manufacturer
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K&N Round Straight Air Filter Flange Dia. (F): 1.875" (48 mm) $91.99
Out of stock
Round Straight Air Filter
  • Flange Dia. (F): 1.875'' (48 mm)
  • Outside Dia. (D): 3'' (76 mm)
  • Length (L): 4'' (102 mm)
  • Top Style: Metal
  • Flange Length (FL): 1.75'' (44 mm)
  • Flange Angle (FA): 10ยบ
  • Flange Offset: 0''
  • K&N RC-1289 Details

    1.875'' (48 mm) Flange Dia. (F)

    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


    Sold individually
    Top Style
    4 in (102 mm)
    Air Filter Shape
    Product Style
    Round Straight Universal Air Filter
    Weight (lbs.)
    1 lb (0.4 kg)
    Package Contents
    2 Air Filters, 2 K&N 1/2oz Filter Oils
    Flange Type
    Flange Offset
    0 in (0 mm)
    Top Material/Finish
    Flange Length
    1.75 in (44 mm)
    Flange Angle (Deg)
    Flange Inside Diameter
    1.875 in (48 mm)
    Outside Diameter
    3 in (76 mm)
    This Product Includes
    2 Filters
    Manufacturer's Part Number:
    Shipping Weight:
    Package Height:
    Package Depth:
    Package Width:

    K&N Round Straight Universal Filters are the best quality and performance air filter option for your application. Whether you are building your own cold air induction kit or you have an application that is just a little different K&N has many of the sizes and styles to fit your performance needs.

  • K&N quality and performance
  • Several Sizes and Styles to fit your needs
  • Clean and re-oil instead of replace

  • Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.


    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.