K&N Universal Clamp-On Air Filter 6in FLG / 7-1/2in B / 4-1/2in T / 9in H K&N Engineering KNNRU-5046
K&N Universal Clamp-On Air Filter 6in FLG / 7-1/2in B / 4-1/2in T / 9in H K&N Engineering KNNRU-5046
K&N Universal Clamp-On Air Filter 6in FLG / 7-1/2in B / 4-1/2in T / 9in H K&N Engineering KNNRU-5046
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K&N Universal Clamp-On Air Filter 6in FLG / 7-1/2in B / 4-1/2in T / 9in H

KNNRU-5046
024844373298
Air Filters - Universal Fit
20+ Units In Stock - Ships Next Business Day
$ 94.99
$ 94.99

SKU: RU-5046 | UPC: 024844373298

K&N Universal Clamp-On Air Filter 6in FLG / 7-1/2in B / 4-1/2in T / 9in H RU-5046 Fits Ford F-150 E-Series Chevy Silverado 1997-2015

K&N RU-5046 is a high-flow conical clamp-on air filter with 6 inch centered rubber flange, 7-1/2 inch base diameter, 4-1/2 inch top diameter and 9 inch height. It fits a wide range of vehicles including Ford F-150 1997-2008, E-350 Econoline 1997-2014, Chevy Silverado 1500/2500 1999-2007, GMC Sierra, Nissan Titan/Armada 2004-2015 and more. This washable reusable filter increases engine airflow for gains in horsepower and acceleration while trapping dirt with four layers of cotton gauze.

Key Features

  • 4 Layers of Protection: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that blocks and traps harmful contaminants.
  • Clean Once Every 5 Years: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles).
  • Easy Installation: K&N Air Filters are pre-oiled and ready to use. One of the easiest and most cost-effective vehicle upgrades for quick performance gains.
  • Engineered Power: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance.
  • Rugged Construction: K&N Universal Air Filters are manufactured with durable premium materials and state-of-the-art construction methods to last a lifetime.

Product Notes

  • Washable and reusable with ultra-strong molded pliable rubber flanges that absorb vibration and stretch up to 1/16 inch (1.5mm) for secure fit.
  • Pre-oiled four-layer cotton gauze media provides long-lasting engine protection.
  • Product weight 1.6 lb (0.7 kg). Shipping box 9.19 x 8.5 x 8.5 inches.

Installation Notes

  • Professional installation recommended.
  • Clamp-on design attaches directly to 6 inch intake tube. No tools required beyond cleaning supplies for maintenance.
  • Compatible with rubber or aluminum intake tubing. Flange length 7/8 inch.

This Part Fits

Year Make Model Submodel
1997-2000 Ford E-350 Econoline Club Wagon Custom
1997-2002 Ford E-350 Econoline Club Wagon XLT
1997-2003 Ford F-150 XL
1997-2003 Ford F-150 XLT
1997-2008 Ford F-150 Lariat
1999-2004 Chevrolet Silverado 2500 LT
1999-2007 Chevrolet Silverado 2500 HD LT
2001-2006 Chevrolet Silverado 2500 HD LS
2002-2004 Chevrolet Avalanche 1500 Z71
2004-2007 Chevrolet Silverado 1500 LT
1999-2004 GMC Sierra 2500 SLE
2001-2006 GMC Sierra 2500 HD SLT
2004-2015 Nissan Titan SE
2004-2015 Nissan Armada SE
2007-2009 Toyota FJ Cruiser Base
1997-2005 Ford Expedition XLT
1999-2014 Ford E-350 Super Duty XL

Why Choose K&N?

  • Trusted by millions for high-flow air filtration in racing and street applications.
  • Washable cotton gauze media delivers consistent performance over time.
  • Engineered and tested on dyno for verified airflow and power increases.

Frequently Asked Questions

  • Q: Will the RU-5046 fit my 2004 Ford F-150 5.4L?
    A: Yes, it clamps onto 6 inch intakes on 1997-2008 Ford F-150 models including XL, XLT, Lariat and others listed in fitment table.
  • Q: What filter media does it use?
    A: Four layers of premium oiled cotton gauze pleated into a cone shape for maximum airflow and dirt-trapping efficiency.
  • 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 conditions using K&N cleaning kit.

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Protective cardboard box measuring 9.19 x 8.5 x 8.5 inches
  • Weight: 1.6 lb (0.7 kg)

Request For Information

Have questions about K&N Universal Clamp-On Air Filter 6in FLG / 7-1/2in B / 4-1/2in T / 9in H? Fill out the form below and we'll get back to you by the next business day.
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