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33-2443
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K&N 33-2443 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   26 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 Amount1.2 oz (36 ml)
Height1.125 in (29 mm)
Outside Length9.625 in (244 mm)
Outside Width8.75 in (222 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
Weight1.2 lb (0.6 kg)

K&N 33-2443 Air Filter Product Reviews

Thursday, September 1, 2016 - Part 33-2443
Great product, use in all my vehicles.

Lawrence Falk
Austin, Texas
Monday, August 8, 2016 - Part 33-2443
I've purchased and used K&N filters in the past and have always been extremely satisfied with their product. This item is no different. Superior quality, OEM fit and easy to install. I'm also glad to see K&N expand into cabin air filters. I've purchased one for my 2015 Highlander and am greatly satisfied with it as well.

T Duncan
Peoria, Illinois
Wednesday, August 3, 2016 - Part 33-2443
Will change all my vehicles

Annette Island Gas Services
Metlakatla, United States
Tuesday, July 19, 2016 - Part 33-2443
Better performance from our RX350. All our cars have knfilters. Next will be cabin filters.

Ronnie De Asis
Hollister, California
Wednesday, July 13, 2016 - Part 33-2443
Very easy to install.

Paul Folds
Franklin, Georgia
Monday, June 27, 2016 - Part 33-2443
I have K&N filters on all my cars. Amazing product overall.

Freddie Verzosa
West Covina, California
Monday, May 30, 2016 - Part 33-2443
I've been spreading the word on your products and how productive they are. Thank you so much. It is truly a money and gas saver.

Edgar Santiago
Jersey City, New Jersey