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K&N Ford F-Series Stock Replacement Air Filter

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$54.95 and up
$74.18 - $136.34
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Replace your stifling, worn-out factory air filter with K&N's free-flowing, performance-enhancing unit. K&N's lifetime replacement filters are designed to increase horsepower and acceleration while providing extra filtration for your hard-working Ford F-Series truck. These filters are custom-designed to fit into your existing factory air box. The drop-in design means that increasing your Ford F-Series truck's performance has never been easier. Simply remove the disposable air filter and replace it with a K&N replacement filter. No cutting or fabrication is required. Because it's backed by K&N's million-mile limited warranty, this will be the last air filter you will ever need to buy.
  • Increases horsepower and improves acceleration
  • Custom-designed for a perfect fit in your factory airbox
  • No cutting or fabrication required
  • Drop-in installation
  • Increases fuel mileage
  • Backed by K&N's million-mile limited warranty
Increase your Ford F-Series trucks horsepower and acceleration with a replacement air filter from K&N. Thanks to K&N's quality engineering and million-mile warranty, you'll never need to buy another air filter again. Pick up a K&N Ford F-Series Stock Replacement Air Filter and give your truck the performance boost it deserves.
K & N Accessories and Parts
5 reviews
Keith U
Georgetown, DE
Great place to shop
I'm very happy with my new filter.
Kirkland T
El Paso, TX
Gas Saver
Money in my wallet!
Richard B
Huber Heights, OH
K&N Air Filter
Install was easy and an exact fit. Obviously more air flow due to surface design. Time will tell.
Walter W
Asbury, NJ
K&N Stock Replacement Air Filter
Easy replacement. Haven't checked performance but I would expect some improvement just because filter does increase air flow.
Jeffrey V
Crowley, TX
Excellent Product
Easy to install. Jury still out on the horsepower and MPG benefit. I would recommend this for people who don't want to do a whole cold air intake system.
Manufacturer Part Number(s):
33-2123, 33-2140-1, 33-2248, 33-2287, 33-2313, 33-2385, 33-5010, E-0785, E-0945