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K&N Performance Air Filter - Premium Lifetime, Washable, Replacement Filter - 33-2135

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Manufacturer #33-2135
Vehicle Info Required to Guarantee FitAdd Vehicle


33 Series
Recommended Use:
Performance Replacement
Quantity Sold:
Sold individually
10-year or 1 million-mile K&N limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Filtration Efficiency Rating:
96 to 99%
Interchange Part Number:

Vehicle Fitment Information

Vehicle Name
Fitment Information
1999-2002 GMC Sierra 2500
8 Cyl 6.0L
With Panel Filter
1999-2004 Chevrolet Silverado 2500
8 Cyl 6.0L
With Panel Filter
1999-2004 Chevrolet Silverado 2500
8 Cyl 6.0L
With Panel Filter
1999-2004 Chevrolet Silverado 2500
8 Cyl 6.0L
With Panel Filter
1999-2004 GMC Sierra 2500
8 Cyl 6.0L
With Panel Filter
Page 1 of 41 | Showing 1 - 5 of 203 results

Product Information


K&N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow up to 50%. Unlike disposable paper filters which must be frequently replaced, K&N Air Filters are washable, reusable, and engineered to last for the life of your vehicle. K&N air filters are backed by our famous 10-Year/Million Mile Limited Warranty, and they provide an environmentally friendly way to reduce landfill waste by avoiding disposable filters. Engineered to fit easily into your factory air box, installation can be completed in a matter of minutes! K&N develops and tests each product on the world’s toughest race tracks, so we can bring the highest level of performance to your daily driving. Join the millions of customers who have saved money and improved vehicle performance by upgrading to K&N filtration.

  • Engineered power: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration; clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%
  • Easy installation: Pre-oiled and ready to drop into your factory air box; one of the easiest and most cost-effective upgrades for your vehicle for quick performance gains
  • Saves money: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters
  • Eco-friendly: Using a washable, reusable product helps reduce replacement waste; K&N filter will last longer than 10 disposable filters
  • World class protection: Pushing the limits of engine protection by protecting your engine from harmful contaminants
  • Low-maintenance design: 50,000 miles before your first cleaning under normal highway driving conditions
  • High quality: Made in America
  • Race tested: The Official Air Filter of NASCAR; trusted on the racetrack—made for your vehicle

Started in 1969, K&N has garnered a reputation for engineering the world’s finest filtration products for cars, trucks, SUVs, motorcycles, race vehicles, commercial vehicles and anything in-between.

Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

Does this k&n come with the cleaner and oil?Francisco B.Apr 08, 2022
Best Answer:Hi Francisco, I'm glad to assist you. No, you have to buy those separately. The part number for the K&N oil cleaner is 99-0606. Grab our sale price offer and click the link below to order today. I hope this helps. Happy shopping. <a href="https://www.carparts.com/air-filter/k-and-n/k33332135?can=CPJE1043_20220408" target="_blank">https://www.carparts.com/air-filter/k-and-n/k33332135?can=CPJE1043_20220408</a> (K&N air filter) <a href="https://www.carparts.com/air-filter-cleaner/k-and-n/k33990606?&vehicle[cylinders]=8&vehicle[liter]=8%2E1&vehicle[submodel]=Base&vehicle[model]=Avalanche_2500&vehicle[make]=Chevrolet&vehicle[year]=2003?can=CPJE1043_20220408" target="_blank">https://www.carparts.com/air-filter-cleaner/k-and-n/k33990606?&vehicle[cylinders]=8&vehicle[liter]=8%2E1&vehicle[submodel]=Base&vehicle[model]=Avalanche_2500&vehicle[make]=Chevrolet&vehicle[year]=2003?can=CPJE1043_20220408</a> (Air filter oil cleaner)
Jeonino E.STAFFApr 08, 2022
What does it mean with Panel filter?Gleason K.Jul 17, 2020
Best Answer:Hi Gleason, They are the flat type of air filters that goes inside the air intake box of the engine.
Arnel E.STAFFJul 17, 2020

Customer Reviews

Great filter and will always use this product.
Codey T.
Purchased on Mar 10, 2022
I always have used K&N filters, great quality and good forever!
Purchased on Dec 23, 2008
Great fit>>>> thanks
Richard S.
Purchased on Jun 29, 2021