K&N parts matching Luber-Finer AF4003 air filter

The Luber-Finer AF4003 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Luber-Finer air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Bryan Erickson, Two Rivers, Wisconsin
Great product! Bought this filter for my friend's Hyundai that he lets me borrow and he loves it. Easy to install, clean and recharge. Great air flow and performance. This is the only brand filter I will use on engines.
Bob Pickett, Seekonk, Massachusetts
No problems, changed in a matter on minutes.
Michael Bruss, El Segundo, California
I always use K&N filters. Great parts, great service.
33-2354 K&N 33-2354 Replacement Air Filter
List Price: $81.09
Your Price: $51.99