K&N Universal Clamp-On Air Filter 2-7/16in FLG / 3-1/2in OD / 6in H K&N Engineering KNNRU-0820
K&N Universal Clamp-On Air Filter 2-7/16in FLG / 3-1/2in OD / 6in H K&N Engineering KNNRU-0820
K&N Universal Clamp-On Air Filter 2-7/16in FLG / 3-1/2in OD / 6in H K&N Engineering KNNRU-0820
K&N Universal Clamp-On Air Filter 2-7/16in FLG / 3-1/2in OD / 6in H K&N Engineering KNNRU-0820
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K&N Universal Clamp-On Air Filter 2-7/16in FLG / 3-1/2in OD / 6in H

KNNRU-0820
024844009760
Air Filters - Universal Fit
20+ Units In Stock - Ships Next Business Day
$ 57.99
$ 57.99

SKU: RU-0820 | UPC: 024844009760

K&N Universal Clamp-On Air Filter 2-7/16in FLG / 3-1/2in OD / 6in H

The K&N RU-0820 universal clamp-on air filter fits a wide variety of applications including racing vehicles radio-controlled cars generators snowmobiles tractors and custom intakes regardless of angle or offset. Constructed with molded rubber flanges that stretch up to 1/16 inch for secure vibration-absorbing attachment it delivers higher airflow for improved horsepower acceleration and engine performance. Pre-oiled washable and reusable this filter installs easily for quick gains in any setup.

Key Features

  • 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent create intricate media to trap contaminants while allowing maximum airflow.
  • Clean Once Every 5 Years: Needs cleaning every 75000 miles under normal highway driving or 5 years at 15000 miles per year.
  • Easy Installation: Pre-oiled and ready to use for one of the simplest cost-effective upgrades delivering immediate performance improvements.
  • Engineered Power: State-of-the-art media boosts horsepower acceleration and overall engine response.
  • Rugged Construction: Durable premium materials and advanced methods ensure lifetime durability.

Product Notes

  • Washable and reusable design reduces landfill waste from disposable filters.
  • Flanges absorb vibration and stretch slightly to fit in-between sizes.
  • Product weight 1.2 lb shipping box 8.25in x 8.25in x 7.75in.

Installation Notes

  • Professional installation recommended.
  • Clamp-on design requires no tools simply stretch flange over 2-7/16in intake.
  • Compatible with centered flange intakes up to 2-7/16in ID flange length 7/8in.

This Part Fits

Year Make Model Submodel
Universal Various Racing Vehicles Custom Intakes
Universal Various Generators Snowmobiles
Universal Various Tractors RC Cars

Why Choose K&N?

  • Proven leader in high-flow filtration for motorsports and powersports.
  • Precision-engineered for washable performance lasting a lifetime.
  • 1-Year Limited Warranty backs every filter.

Frequently Asked Questions

  • Q: What intake sizes does the RU-0820 fit?
    A: 2-7/16in inside flange diameter flanges stretch up to 1/16in for custom angled or offset intakes on racing equipment generators and more.
  • Q: What materials are used in construction?
    A: Ultra-strong molded rubber flanges premium cotton gauze media in 4 layers for durability and filtration.
  • Q: What is the warranty and maintenance?
    A: 1-Year Limited Warranty clean every 75000 miles with K&N cleaning kit for reusable performance.

Shipping &amp. Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Secure box 8.25in L x 8.25in W x 7.75in H
  • Weight: 1.2 lb

Request For Information

Have questions about K&N Universal Clamp-On Air Filter 2-7/16in FLG / 3-1/2in OD / 6in H? Fill out the form below and we'll get back to you by the next business day.
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