K&N Filter 4 inch Flange 6 3/4 inch OD Base 5 7/8 inch OD Top 9 1/2 inch Height K&N Engineering KNNRU-5045
K&N Filter 4 inch Flange 6 3/4 inch OD Base 5 7/8 inch OD Top 9 1/2 inch Height K&N Engineering KNNRU-5045
K&N Filter 4 inch Flange 6 3/4 inch OD Base 5 7/8 inch OD Top 9 1/2 inch Height K&N Engineering KNNRU-5045
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K&N Filter 4 inch Flange 6 3/4 inch OD Base 5 7/8 inch OD Top 9 1/2 inch Height

KNNRU-5045
024844101556
Air Filters - Universal Fit
20+ Units In Stock - Ships Next Business Day
$ 104.99
$ 104.99

SKU: RU-5045 | UPC: 024844101556

K&N Filter 4 inch Flange 6 3/4 inch OD Base 5 7/8 inch OD Top 9 1/2 inch Height RU-5045

K&N RU-5045 is a round tapered universal clamp-on air filter designed for racing vehicles generators snowmobiles tractors and 2007-2009 Toyota Tundra Sequoia models. Constructed with strong molded rubber flanges that stretch up to 1/16 inch for secure fit this washable reusable filter traps contaminants while increasing airflow for more horsepower and acceleration. Pre-oiled and ready to install it delivers performance gains across applications.

Key Features

  • 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form a mesh that blocks harmful contaminants for engine safety.
  • Clean Every 5 Years: Requires cleaning only every 75000 miles under highway conditions based on 15000 miles per year average.
  • Easy Installation: Pre-oiled design installs quickly for cost-effective upgrades and immediate performance improvements.
  • Engineered Power: Advanced media boosts horsepower acceleration and overall engine response.
  • Rugged Construction: Durable premium materials ensure lifetime use in demanding conditions.

Product Notes

  • Flanges absorb vibration and fit angles or offset intakes up to 1.5mm stretch.
  • Washable and reusable reduces landfill waste from disposable filters.
  • Product weight 1.6 pounds shipping box 9.19 x 8.19 x 8.25 inches.

Installation Notes

  • Professional installation recommended.
  • Clamp-on design uses existing intake no cutting required.
  • Compatible with 4 inch flange diameter rubber seals provided.

This Part Fits

Year Make Model Submodel
2008-2009 Toyota Sequoia SR5
2007-2009 Toyota Tundra Base
2007-2009 Toyota Tundra Limited
2007-2009 Toyota Tundra SR5

Why Choose K&N?

  • Proven leader in high-flow filtration for motorsports and street use.
  • Washable filters last a lifetime with proper cleaning.
  • Precision engineering matches exact flange and dimensions for reliable seal.

Frequently Asked Questions

  • Q: Does RU-5045 fit my 2007 Toyota Tundra SR5 intake?
    A: Yes direct clamp-on fit for 4 inch flange on 2007-2009 Tundra Base Limited SR5 and 2008-2009 Sequoia SR5 plus universal racing applications.
  • Q: What material is the filter media?
    A: Premium cotton gauze layers treated for maximum dirt trapping and airflow in a durable rubber flange housing.
  • Q: What is the warranty and cleaning process?
    A: 1-Year Limited Warranty clean every 75000 miles using K&N cleaning kit for reuse.

Shipping &amp. Handling

  • Method: Ground shipping via UPS or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Secure box 9.19in L x 8.19in W x 8.25in H
  • Weight: 1.6 pounds

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