K&N parts matching Champ Labs. AF3994 air filter

The Champ Labs. AF3994 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
James Totten, Plumas Lake, California
This has been the most noticeable difference I've seen since replacing my old filter, my truck has more power, at least it feels like it, I am very pleased with my purchase.
Floyd Smith, San Bernardino Califormia
Have used several different K&N products in all my vehicles. Never failed to impress. Great product built locally. Try one. You won't be disappointed.
Anna Wilbur, Bellevue, Michigan
Excellent service, from date of purchase and hopefully years of use.
33-2306 K&N 33-2306 Replacement Air Filter
List Price: $88.89
Your Price: $57.99