K&N parts matching Napa 6728 air filter

The Napa 6728 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
Jerry , Maryland
Filter fits great and works fine. Great to know it can be cleaned and used again .
Michael Waddell, Pasadena, California
This is the second K&N filter for my 17yr old truck. Still runs like new.
Justin Sheahan, Sheboygan, Wisconsin
I love it, can really hear my truck suck air now.
33-2248 K&N 33-2248 Replacement Air Filter
List Price: $89.29
Your Price: $57.99