K&N Universal Rubber Filter-Round Tprd 4.875in Flange ID x 9in Base OD x 6.625in Top OD x 7.938in H K&N Engineering KNNRU-5172
K&N Universal Rubber Filter-Round Tprd 4.875in Flange ID x 9in Base OD x 6.625in Top OD x 7.938in H K&N Engineering KNNRU-5172
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K&N Universal Rubber Filter-Round Tprd 4.875in Flange ID x 9in Base OD x 6.625in Top OD x 7.938in H

KNNRU-5172
024844241719
Air Filters - Universal Fit
20+ Units In Stock - Ships Next Business Day
$ 146.99
$ 146.99

SKU: RU-5172 | UPC: 024844241719

K&N RU-5172 Universal Clamp-On Rubber Tapered Round Air Filter 4.875in Flange ID x 9in Base OD x 6.625in Top OD x 7.938in H Fits 2008-2010 Ford F-250 F-350 Super Duty

K&N RU-5172 universal air filter delivers high-flow filtration for racing vehicles generators snowmobiles tractors and custom intakes on 2008-2010 Ford F-250 F-350 Super Duty trucks. Molded rubber flanges absorb vibration stretch up to 1/16 inch for secure clamp-on fit and handle any intake angle or offset. Pre-oiled cotton gauze media traps dirt while boosting horsepower acceleration and engine response.

Key Features

  • 6 Layers of Protection: Premium cotton gauze with tacking agent forms mesh to block trap contaminants for long engine life.
  • Clean Every 5 Years: Service only every 75000 miles under highway conditions lasts 5 years at 15000 miles annually.
  • Easy Installation: Pre-oiled ready-to-use clamp-on design offers quick performance upgrade no tools needed.
  • Engineered Power: High-flow media increases airflow for more horsepower acceleration and throttle response.
  • Rugged Construction: Durable premium materials built to withstand vibration heat last a lifetime washable reusable.

Product Notes

  • Flanges stretch 1/16 inch to fit in-between sizes vibration-absorbing rubber ensures secure seal.
  • Washable reusable clean with K&N kit oil for repeated use reduces landfill waste.
  • Product weight 1.9 lbs compact design for versatile applications.

Installation Notes

  • Professional installation recommended.
  • Clamp-on flanges secure to 4.875in ID intake no adapters required.
  • Compatible with custom intakes on Ford Super Duty verify flange match before install.

This Part Fits

Year Make Model Submodel
2008-2010 Ford F-250 Super Duty XL
2008-2010 Ford F-250 Super Duty XLT
2008-2010 Ford F-250 Super Duty Lariat
2008-2010 Ford F-250 Super Duty King Ranch
2008-2010 Ford F-250 Super Duty Harley-Davidson Edition
2008-2009 Ford F-250 Super Duty FX4
2009-2010 Ford F-250 Super Duty Cabela's
2008-2010 Ford F-350 Super Duty XL
2008-2010 Ford F-350 Super Duty XLT
2008-2010 Ford F-350 Super Duty King Ranch
2008-2010 Ford F-350 Super Duty Harley-Davidson Edition
2008-2009 Ford F-350 Super Duty FX4
2009-2010 Ford F-350 Super Duty Cabela's

Why Choose K&N?

  • Proven leader in high-performance air filtration for motorsports street and industrial use.
  • Patented oil-charged cotton gauze traps more dirt flows more air than paper filters.
  • Engineered for exact dimensions vibration resistance universal application reliability.

Frequently Asked Questions

  • Q: Will K&N RU-5172 fit my 2008-2010 Ford F-250 Super Duty XLT?
    A: Yes clamp-on design with 4.875in flange ID confirmed compatible with F-250 F-350 Super Duty XL XLT Lariat King Ranch Harley-Davidson FX4 Cabela's submodels 2008-2010.
  • Q: What filter media and flange material does it use?
    A: 6 layers premium cotton gauze media molded pliable rubber flanges absorb vibration stretch for custom fit.
  • Q: What warranty and maintenance apply?
    A: 1-Year Limited Warranty wash every 75000 miles or 5 years under normal use pre-oiled ready install.

Shipping & Handling

  • Method: UPS or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Original K&N box dimensions 9.1 x 9.1 x 8.4 inches
  • Weight: 1.9 lbs

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