K&N parts matching Champ Labs. AF3935 air filter

The Champ Labs. AF3935 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Champ Labs. air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Ryan Wen, California
The air filter was a perfect fit on my wife 2011 BMW 328i.
Ian Ellis, Angus, Canada
Engine feels like its breathing better.
Fernando N Cunha Jr., San Diego, California
33-2332 K&N 33-2332 Replacement Air Filter
List Price: $93.29
Your Price: $59.99