K&N Universal Rubber Filter 4 1/2 inch FLG / 5 7/8 inch Base / 5 inch Top / 6 inch Height K&N Engineering KNNRU-3480
K&N Universal Rubber Filter 4 1/2 inch FLG / 5 7/8 inch Base / 5 inch Top / 6 inch Height K&N Engineering KNNRU-3480
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K&N Universal Rubber Filter 4 1/2 inch FLG / 5 7/8 inch Base / 5 inch Top / 6 inch Height

KNNRU-3480
024844026606
Air Filters - Universal Fit
20+ Units In Stock - Ships Next Business Day
$ 68.99
$ 68.99

SKU: RU-3480 | UPC: 024844026606

K&N RU-3480 Universal Rubber Filter 4 1/2 inch FLG / 5 7/8 inch Base / 5 inch Top / 6 inch Height

K&N RU-3480 delivers a clamp-on universal air filter engineered for racing vehicles, RC cars, generators, snowmobiles, tractors and custom intakes regardless of angle or offset. With a 4.5 inch inside flange diameter, 5.875 inch base outside diameter, 5 inch top outside diameter and 6 inch height, it stretches up to 1/16 inch for precise fit. Pre-oiled and washable, this filter traps contaminants while increasing airflow for more horsepower and acceleration.

Key Features

  • 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form a mesh that blocks harmful contaminants from reaching the engine.
  • Clean Every 5 Years: Handles 75,000 miles under highway conditions, based on 15,000 miles per year, for long-lasting performance.
  • Easy Installation: Pre-oiled and ready to clamp on, providing quick performance gains without complex modifications.
  • Engineered Power: Advanced media design boosts horsepower, acceleration and overall engine response in diverse applications.
  • Rugged Construction: Molded rubber flanges absorb vibration, stretch for fit and use durable materials built to last a lifetime.

Product Notes

  • Filter is washable and reusable, clean with K&N cleaning kit for repeated use.
  • Inspect regularly in dusty conditions and oil after cleaning.
  • Ships in protective box measuring 8.25 x 8.19 x 7.38 inches.

Installation Notes

  • Professional installation recommended.
  • Clamp securely to 4.5 inch intake flange, flanges stretch up to 1.5mm for secure seal.
  • Compatible with rubber or metal clamps, no additional hardware required.

This Part Fits

Year Make Model Submodel
Universal Various Racing Vehicles, RC Cars, Generators, Snowmobiles, Tractors All
Custom Any Offset or Angled Intakes N/A

Why Choose K&N?

  • Decades of air filter innovation for motorsports and powersports.
  • High-flow cotton media outperforms paper filters in airflow and filtration.
  • Precision manufacturing ensures vibration-resistant fit for any application.

Frequently Asked Questions

  • Q: Does this fit custom air intakes?
    A: Yes, 4.5 inch centered flange works with any matching intake tube, stretches slightly for exact fit regardless of angle.
  • Q: What material provides the filtration?
    A: Four layers of oiled cotton gauze pleated into a high-surface-area media for superior trapping and airflow.
  • Q: What is the warranty and cleaning interval?
    A: Backed by 1-Year Limited Warranty, clean every 75,000 miles or 5 years under normal use.

Shipping &amp. Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Secure box 8.25 x 8.19 x 7.38 inches
  • Weight: 1.6 pounds

Request For Information

Have questions about K&N Universal Rubber Filter 4 1/2 inch FLG / 5 7/8 inch Base / 5 inch Top / 6 inch Height? Fill out the form below and we'll get back to you by the next business day.
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