K&N parts matching Warner WAF3910 air filter

The Warner WAF3910 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Warner air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Mike Oakley, Bucks, United Kingdom
Excellent product, direct easy replacement and very quick delivery.
Christopher Brown, Camden, Maine
Great product, as always!
Alejandro Perrino, Valencia, California
I love it! Instant power. You can feel the car breathing better and a bit of B.O.Valve sound that everyone likes, I definitely recommend it. I should have done it before.
33-2367 K&N 33-2367 Replacement Air Filter
List Price: $102.99
Your Price: $65.99