K&N parts matching Napa 6440 air filter

The Napa 6440 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Napa air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Scott Cool, Cheyenne, Wyoming
Always a good product. Was a great price with the free shipping.
Rex Miller, Palo Verde, Arizona
Truck seems to run much better with the K&N filter.
Peter Deck, Emerald Park, Saskatchewan
This filter will outlast the vehicle.
E-1796 K&N E-1796 Replacement Air Filter
List Price: $117.99
Your Price: $75.99