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
Athul, Kitchener, Canada
Fit fine, but a little more loose than stock filter on my 2013 A4 quattro. I would recommend this.
Benjamin Binder, South Pasadena, California
If you use your allroad in dusty conditions, get yourself a K&N.
Mickey Robinson , Rainier, Washington
Fit perfectly.
33-2945 K&N 33-2945 Replacement Air Filter
List Price: $84.19
Your Price: $53.99