K&N parts matching Napa 6438 air filter

The Napa 6438 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 Industrial Air Filter
  • High air flow with excellent filtration
  • Washable and reusable air filter
Bob Terrell, Hayesville, North Carolina
Fits perfect excellent service.
Ryan Friedrich, Republic, Missouri
Amazing filter will save me hundreds of dollars. So glad this is finally on the market. Truly the only filter you'll ever need.
Gerald D Dost, Bradenton, Florida
The filter fit like the OEM, probably better. Delivery was fast with no problems.
E-4961 K&N E-4961 Replacement Industrial Air Filter
List Price: $74.79
Your Price: $47.99