K&N Lifetime Filters For Duramax Diesel

Part# 33-2135


WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

 K&N Lifetime Reusable Air Filters

2001+ Chevy/GMC 2500/3500 HD Duramax Diesel

Part# 33-2135/E-0781/33-2466/33-5065

Clean air is extremely important for a turbo diesel truck, dirty filters will cause air restriction and may cause excessive black smoke from the tail pipe under acceleration, filters should be checked often and replaced as necessary, with the K&N Filter it will last you the lifetime of the truck so the only money you will have to spend on filters is the filter recharge kit to properly clean and re-oil the filter.


  • High Air Flow with Excellent Filtration
  • Designed to Increase Horsepower and Acceleration
  • Washable and Reusable
  • Will NOT Void Vehicle Warranty
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • K&N Million Mile Limited Warranty®
  • Emissions Legal in all 50 US States. 
  • Economical, a K&N Air Filter Will Last the Life of Your Automobile
  • Works with Original Equipment Manufacturer Vehicle Electronics
  • Easy High Performance Add-on
  • Environmentally Friendly