K&N parts matching Champ Labs. AF3904 air filter

The Champ Labs. AF3904 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
Philip Atkinson, London, United Kingdom
I am very pleased with this company's service & the item itself is top notch.
Russell Scachette, Mapleton, Illinois
As always, the best filter.
Steven Grasso, Cranston, Rhode Island
Great fit and the performance of the product is great.
33-2295 K&N 33-2295 Replacement Air Filter
List Price: $75.69
Your Price: $48.99