K&N parts matching Champ Labs. AF3928 air filter

The Champ Labs. AF3928 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
Stuart Harling, Bournemouth, United Kingdom
This is a really great product and K&N provided excellent service. My car is a smoother to drive, slightly more economical and revs more freely. Highly recommended if you have a E90 320D.
Christopher Laheurte, Chivres en laonnois, France
Impeccable.
R L Fielding, South Yorkshire, United Kingdom
As always, another great K&N product. Will always buy from you guys, as you are the best.
33-2942 K&N 33-2942 Replacement Air Filter
List Price: $95.89
Your Price: $61.99