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33-5026
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MSRP $115.09 35.7% Off
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K&N 33-5026 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   17 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®
The K&N 33-5026 Air Filter fits some Hyundai Sonata, Hyundai Sonata Hybrid, Kia Optima, and Kia Optima Hybrid models. See vehicle applications link for details.
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 Amount1.22 oz (36 ml)
Height1.438 in (37 mm)
Outside Length11.125 in (283 mm)
Outside Width7.813 in (198 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
Weight2.2 lb (1 kg)

K&N 33-5026 Air Filter Product Reviews

Thursday, March 16, 2017 - Part 33-5026
Great product. I have purchased several of these filters for my other vehicles and find them easy to clean and reuse. These filters cost more upfront, but will save you money (not having to replace them) down the line.

Brent Gray
Farmington, Utah
Tuesday, March 14, 2017 - Part 33-5026
This was exactly what I wanted as a minor upgrade to my 2015 Sonata. I had no trouble getting it in place and, so far, things are working well. Thank you for your good work and for shipping it when it ( the filter ) became available.

Kenneth Seal
Oklahoma City, Oklahoma
Saturday, February 4, 2017 - Part 33-5026
Extremely easy to install. 5 minutes from start to finish. Am waiting to find out results from this upgraded air filter. Satisfied so far.

Alfred J Winter
Binghamton, New York
Monday, January 30, 2017 - Part 33-5026
For the size of the filter, thought it was a bit more $ than I thought it should be. I don't believe my 05 Dodge Grand Caravan 3.8 was as costly. Nice product and we will install it this week and see if I can tell the difference in performance. Web site and final results with shipping and delivery were bullet proof and welcomed for a non-computer person age 73. Thanks again. JHH

John Heemsath
Stuart, Florida
Wednesday, January 25, 2017 - Part 33-5026
K&N is very professional. When I received a filter, I found there was a dent in it. After emailing the issue to their support, I received a reply within an hour and the promise to ship me a replacement free of charge, which arrived in a few days.

Byron B Zhao
Sugar Land, Texas
Friday, August 19, 2016 - Part 33-5026
Excellent Product. Great customer service, on-time delivery, and the price was reasonable for a lifetime filter. Performance on my 2015 Hyundai Sonata seems to be improved and gas mileage increased by 1.5 mpg on a trip recently. I would highly recommend K&N and this product.

Peter Ragaller
Lancaster, California
Thursday, August 18, 2016 - Part 33-5026
IT WAS A LONG WAIT, BUT TRUE TO THEIR WORD, K&N DID DEVELOP THIS PREVIOUSLY NON-EXISTANT FILTER, AND IT FITS PERFECTLY INTO THE SLOT WHERE THE OEM FILTER ASSEMBLY WAS. KUDOS TO K&N, YOU DID IT AGAIN.

Donald Jones
Glen Mills, Pennsylvania