Replacement Air Filter
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K&N Replacement Air Filter

Part No. 33-2139 Warranty Details  

See if this part fits a specific vehicle.

Check Vehicle Fit

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.

Product Features:
  • This is the last air filter your vehicle will ever need!
  • 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┬«
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Height:0.875 in
Material:Cotton Gauze
Outside Length:11.375 in
Outside Width:9.688 in
Shape:Panel
Top Type:Open

REVIEW SNAPSHOT®

by PowerReviews
K&NReplacement Air Filter
 
5.0

(based on 3 reviews)

Ratings Distribution

  • 5 Stars

     

    (3)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Easy to use (3)
  • High-performance (3)

Cons

No Cons

Best Uses

  • Large cars (3)
  • Small cars (3)
  • Trucks (3)
    • Was this a gift?:
    • No (3)

Reviewed by 3 customers

Displaying reviews 1-3

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5.0

Great price and great fit.

By 

from Alpharetta, GA

About Me Auto Enthusiast, Truck Enthusiast

Verified Buyer

Pros

  • Easy To Use
  • High-Performance

Cons

    Best Uses

    • Large Cars
    • Small Cars
    • Trucks

    Comments about K&N Replacement Air Filter:

    Price was right. Easy install - 30 seconds. Car has a little more pep and gas mileage is slightly better.

    • Was this a gift?:
    • No

    Comment on this reviewHelp Icon

    (2 of 3 customers found this review helpful)

     
    5.0

    kn air filter

    By 

    from Waukesha Wisconsin

    About Me Casual Driver, Mechanic

    See all my reviews

    Verified Buyer
    3 or more reviews submitted

    Pros

    • Durable
    • Easy To Use
    • High-Performance
    • Lightweight
    • Versatile

    Cons

      Best Uses

      • Large Cars
      • Small Cars
      • Trucks

      Comments about K&N Replacement Air Filter:

      Great

      • Was this a gift?:
      • No

      Comment on this reviewHelp Icon

      (2 of 4 customers found this review helpful)

       
      5.0

      Use K&N in all my vehicals

      By 

      from Waterford, MI

      About Me Auto Enthusiast, Casual Driver, Competitive Driver, Mechanic, Truck Enthusiast

      Verified Buyer

      Pros

      • Durable
      • Easy To Use
      • High-Performance
      • Lightweight
      • Versatile

      Cons

        Best Uses

        • Large Cars
        • Small Cars
        • Trucks

        Comments about K&N Replacement Air Filter:

        Easy to install, great performance, easy to clean, a little expensive..

        • Was this a gift?:
        • No

        Comment on this reviewHelp Icon

        Displaying reviews 1-3

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        Do you have questions about this product?

         

        Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

        1 Question | 1 Answer
        Displaying question 1
        • Q:

          What does the open top mean?
          Asked on 9/22/2013 by jomps

          1 answer

          • CUSTOMER CARE

            A:

            With reference to your question, K&N Panel Type Open Top Cotton Gauze Air Filter - Part No. 33-2139, 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. The top style refers to open style of product. For further assistance regarding the Part No.33-2139, please provide the year, make, model and engine size of your vehicle. For more information, please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

            Answered on 9/23/2013 by Max from AAP
        Displaying question 1

        Do you have a question about this product? 

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        Disclaimer We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.