K&N parts matching Beck/Arnley 0421684 air filter

The Beck/Arnley 0421684 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
Luke, Melrose, Minnesota
All around great product! Noticeable power and mpg gains, with the added bonus of being washable/reusable and a million mile limited warranty! Thanks K&N for a great product!
Mark J. Pope, Montclair, California
Quality product. Noticed a difference in acceleration and power. Glad I purchased this.
Steve, Rhode Island
Fit perfect - works well.
33-2337 K&N 33-2337 Replacement Air Filter
List Price: $92.89
Your Price: $59.99