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
Richard Carter, Jamaica Queens, New York
Bought the filters for my 2014 q50 awd sport. Best decision I've made & I have no regrets. Only thing is you have to really open your car up to get it used to the extra air flow then you will see the Lil boost in throttle time. Excellent product. All I have to do now is do some research on their cold intakes for my car.
Harry Pottok, Bronx, New York
Car engine is quieter, and has more pep since air filter was installed.
E.J. Amo, Jupiter, Florida
Recently purchased 2 of these as replacements for 2014 Q50. The filters fit perfectly and I'm sure I will get a lot of life out of them. I purchased a K&N filter for my last car and drove over 100k miles. They are easy to clean and I don't feel any loss in HP.
33-5014 K&N 33-5014 Replacement Air Filter
List Price: $72.69
Your Price: $46.99