K&N parts matching Beck/Arnley 0421720 air filter

The Beck/Arnley 0421720 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Beck/Arnley air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Maciej Szara, Franklin Park, Illinois
Great product, quick ship. Can feel the difference in acceleration on my q50s hybrid.
Gloria Carpenter, Altamonte Springs, Florida
Fits perfectly. Thank you
Eddie Morton, North Augusta, South Carolina
It's work great in my Infiniti Q50S.
33-5014 K&N 33-5014 Replacement Air Filter
List Price: $72.69
Your Price: $46.99