K&N parts matching Champ Labs. AF7943 air filter

The Champ Labs. AF7943 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
Bill Dugas, Oakridge, Oregon
I've used K&N products on all my vehicles for years, have always been totally pleased with the results. Internet ordering process was quick and easy. I would recommend K&N to anyone.
Pedro Cruz, Orlando, Florida
Awesome product. Delivered on time and properly packaged. Fits like a glove in my Lexus I immediately felt 3+hp and is quiet when cruising. I highly recommend, to give your car the lungs to breathe.
Ray Jones, Weatherford, Texas
I received the air filter timely. It installed easily and is performing very well.
33-2137 K&N 33-2137 Replacement Air Filter
List Price: $73.59
Your Price: $46.99