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K&N Universal Air Filter 3.125" Flange ID x 5" Base O/S Width x 4" Top O/S Width x 9" H

by KNN


SKU KN-RF-1012
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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
  • Clamp-on washable and reusable air filter
  • Malleable flanges
  • One year limited warranty

Product Specifications

Base Outside Length 8.75 in (222 mm)
Base Outside Width 5 in (127 mm)
Filter Material Cotton Gauze
Flange Center to Center 3.875 in (98 mm)
Flange Inside Diameter 3.125 in (79 mm)
Flange Length 0.625 in (16 mm)
Flange Type Centered
Height 9 in (229 mm)
Top Outside Length 6.25 in (159 mm)
Top Outside Width 4 in (102 mm)
Top Style Metal
Top Material Stainless Steel
Air Filter Shape Oval Straight
Flanges 2
Package Contents 1 Air Filter
Package Quantity 1
Product Style Dual Flange Oval Tapered Universal Air Filter
Weight 2.5 lb (1.1 kg)
Filter Re-Oiling Amount 2.24 oz (66 ml)
Product Box Height 6.5 in (165 mm)
Product Box Length 10.88 in (276 mm)
Product Box Width 10.88 in (276 mm)
Inner Wire No