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RU-5121
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MSRP $83.99 35.7% Off
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K&N RU-5121 Universal Clamp-On Air Filter

Universal Air Filters > Universal Clamp-On Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.5 out of 5 stars   2 Customer Reviews
  • 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.

[More Information on Universal Air Filters]

Product Specifications

Air Filter ShapeRound Tapered
Filter MaterialCotton Gauze
Flange Inside Diameter4 in (102 mm)
Flange Length0.625 in (16 mm)
Flange TypeCentered
Flanges1
Height6 in (152 mm)
Base Outside Diameter5.375 in (137 mm)
Top Outside Diameter3.5 in (89 mm)
Top StyleRubber
Top MaterialNone
Package Contents1 Air Filter
Package Quantity1
Product StyleRound Tapered Universal Air Filter
Weight0.9 lb (0.4 kg)
Filter Re-Oiling Amount0.95 oz (28 ml)
Air Filter Large End Diameter5.375 in (137 mm)
Product Box Height11 in (279 mm)
Product Box Length6.38 in (162 mm)
Product Box Width6.38 in (162 mm)
Footnote 1Base Has 7/8" Vent
WARNING: Cancer and reproductive harm--www.P65warnings.ca.gov

K&N RU-5121 Universal Clamp-On Air Filter Product Reviews

Monday, February 12, 2018 - Part RU-5121
Fit in like a glove..

Manjit Singh
Singapore, Singapore
Wednesday, August 26, 2015 - Part RU-5121
It's would of been easier to order from a home computer then a cell phone. But I worked my way though it,and managed to get it ordered. Overall not to hard.

Ben Nolen
Angleton, Texas