K&N parts matching Beck/Arnley 0421787 air filter

The Beck/Arnley 0421787 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
Guy Slaymaker, New Jersey
Love it, have always been a K&N fan. Thanks.
Joe Galdo, New Jersey
I use K&N in everything I own, three Harley motorcycles and three Audi cars. The improved air flow rate instantly gives a kick where you really need it, acceleration
Sorin Moraru, Ajax, Canada
Great product, not a single problem. Gas mileage increased after adding this filter.
33-2945 K&N 33-2945 Replacement Air Filter
List Price: $84.19
Your Price: $53.99