K&N parts matching Luber-Finer AF3999 air filter

The Luber-Finer AF3999 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
Clarke Hall, Cambridge, Canada
This filter is in my 2011 Jetta. I instantly noticed relief on the engine, way more air flow with little restriction. Best filter on the market and K&N is the only brand that I would suggest to put in your vehicle. Cabin filter, air filter, and oil filter.... K&N all the way . Plus, million mile warranty, can't beat that.
Roberto Muller, Mexico City, Mexico
Es el tercer filtro de este tipo que compro (Sportwagen 2012, Jetta 2012 y Sportwagen 2013), son una garantía. Aunque me gustaría que haya un Cold Air Intake para el motor 2.5, ya que poner el Air Box justo sobre el motor, se me hace una falta de criterio total por parte de VW en cuanto a la temperatura del aire que entra al motor.
John, Washington
Product came exactly as advertised on exactly the day it was supposed to. Very fast! Would gladly do business again
33-2331 K&N 33-2331 Replacement Air Filter
List Price: $78.19
Your Price: $50.99