K&N parts matching Champ Labs. AF3959 air filter

The Champ Labs. AF3959 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
Bob Brooks, Houston, Texas
Fits perfectly. Easy install.
Robert Butcher, New Jersey
Loyal K&N customer since 1995. Every vehicle (4) I have had since then has had a K&N in it. Great product!!!!
Roberto Ogalino, San diego, California
Best air filter ever.
33-2281 K&N 33-2281 Replacement Air Filter
List Price: $75.19
Your Price: $48.99