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33-2439
$54.99 USD
MSRP $84.69 35.1% Off
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K&N 33-2439 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.9 out of 5 stars   30 Customer Reviews
  • Designed to boost horsepower and rate of acceleration
  • Can be cleaned and used again
  • High air flow with exceptional filtration
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • Works with original equipment manufacturer vehicle electronics
  • Emissions legal in all 50 US states
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty®
K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.

[More Information on K&N Replacement Air Filters]

Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Filter Re-Oiling Amount1.73 oz (51 ml)
Height1.25 in (32 mm)
Outside Length11 in (279 mm)
Outside Width8.875 in (225 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height11.56 in (294 mm)
Product Box Length10.44 in (265 mm)
Product Box Width1.75 in (44 mm)
Product StylePanel Air Filter
Weight1.6 lb (0.7 kg)

K&N 33-2439 Air Filter Product Reviews

Tuesday, August 16, 2016 - Part 33-2439
Exact fit for OEM filter. Long time user of K&N filters. Have every confidence that performance will be as expected.

Everett Stayrook
Lusby, Maryland
Wednesday, July 27, 2016 - Part 33-2439
Easy to install.

Roland Garrett
Hot Springs Village, Arkansas
Monday, July 4, 2016 - Part 33-2439
It helped add 2mpg. Super good!

Homer Duvendack
Montpelier, Michigan
Tuesday, May 31, 2016 - Part 33-2439
Awesome fit and better throttle response.

Ryan Badish
Michigan
Monday, May 9, 2016 - Part 33-2439
I have been using K&N filters for as long as I can remember. I started using them in my drag racing cars and then realized that my everyday drivers also deserved the best filter money can buy. I got them for the additional hp but then I realized that I was getting more miles per gallon of fuel. Sure, my cars benefited from the sound of the additional air but the additional mileage benefited my wallet more than the sound benefited my ego

Franklin J. Ellias
Novi, Michigan
Tuesday, April 26, 2016 - Part 33-2439
Perfect fit like always. Very fast delivery.

Terry Pu
Puyallup, Washington
Wednesday, February 24, 2016 - Part 33-2439
Good product, quick delivery and perfect fit.

Greg Brooks
Redding, California