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K&N Universal Clamp-On Air Filter (RC-4780)


NOTE: Please check Manufacturer's website for vehicle fitment prior to purchasing.

  • Designed to increase horsepower and acceleration
  • Hundreds of sizes and shapes for most applications
  • High air flow with excellent filtration
  • Clamp-on washable and reusable air filter
  • Malleable flanges
  • One year limited warranty
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.

Product Specifications

Air Filter Shape Round Tapered
Filter Material Cotton Gauze
Washable Yes
Flange Inside Diameter 4 in (102 mm)
Flange Length 1.688 in (43 mm)
Flange Type Centered
Flanges 1
Height 9.5 in (241 mm)
Base Outside Diameter 6.625 in (168 mm)
Top Outside Diameter 5.25 in (133 mm)
Top Style Metal
Top Material Black Powder Coated
Package Contents 1 Air Filter
Package Quantity 1
Warranty 12 Months
Product Style Round Tapered Universal Air Filter
Weight 3.3 lb (1.5 kg)
Filter Re-Oiling Amount 6.79 oz (201 ml)
Air Filter Large End Diameter 6.625 in (168 mm)
Product Box Height 7.75 in (197 mm)
Product Box Length 14.38 in (365 mm)
Product Box Width 7.38 in (187 mm)
Footnote 3 Top Has 23/32" Center Hole
More Information
Manufacturer's Part Number RC-4780
Manufacturer K&N ENGINEERING, INC.
Warranty 1 Year limited
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If you have a product that needs warranty assistance please contact the manufacturer direct as they handle their own warranties.  All product warranties will be at the discretion of the manufaturerar