K&N parts matching Champ Labs. AF4042 air filter

The Champ Labs. AF4042 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 Brust, Underwood, Iowa
Exact fit for OEM unit. Looking forward to years of service from the filter. I use K&N Filters in ALL of my vehicles. I think they are great.
Bill McGreevy, Schaghticoke, New York
Fits well.. easy to install ..I have K&N filters on all my cars. This is also when you get your oil changed at the local garage they need not to check your air cleaner because they see the K&N sticker so there's no chance of unfiltered air getting to your engine.
Johnny Schaeffer, Texas
Ordered this and other K&N products for my vehicles. Ordering was easy and shipping was quick. Great product's and great investment.
33-2404 K&N 33-2404 Replacement Air Filter
List Price: $87.59
Your Price: $55.99