K&N parts matching Champ Labs. AF4045 air filter

The Champ Labs. AF4045 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 Wirtz, Mokena, Illinois
Have K&N filters in all my vehicles and very satisfied with product. Will continue to buy K&N when I purchase any new vehicles in future. Thanks again.
Wade Gerencser, Reston, Virginia
Works great and gave me better gas mileage!
Todd LaMantia , Yuba City, California
I've used K&N filters in my cars and truck, and have always been totally satisfied. I would recommend them to anyone for the last filter you will ever need. Simple to use and recharge, and saves you money at the same time. Be a winner, use K&N.
33-2403 K&N 33-2403 Replacement Air Filter
List Price: $83.49
Your Price: $53.99