K&N parts matching Purepro AF3909 air filter

The Purepro AF3909 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Purepro air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Steve Vierthaler, Washington, San Juan Islands
I have used K&N products for years on all my cars and trucks. This set was for my 2011 Jaguar XKR, and as always it was an improvement in the overall performance and sound. Trust K&N to do it right for your car or truck.
Joe Lorenzen, Redondo Beach, California
I purchased a set of filters for my 2010 Jaguar XKR. They arrived very fast and worked out great.
Ken Bannister, Shirrell Heath, United Kingdom
Delivered speedily, easy to order. Well done.
33-2445 K&N 33-2445 Replacement Air Filter
List Price: $139.79
Your Price: $89.99