K&N parts matching Purolator A31397 air filter

The Purolator A31397 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Purolator air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Thomas McGrady, Park Ridge, Illinois
Noticeable difference in the HP output after installation.
Miguel Shapiro, Mexico
I have used K&N products in the past with very very good satisfaction with my new SUV´S I looked to have them again.
Ryan, Illinois
Excellent product for my 2015 Lancer SE AWC. I saved a lot in gas consumption in using it and I felt the extra power on my car. I recommend it to everybody Great job K&N.
33-2392 K&N 33-2392 Replacement Air Filter
List Price: $82.79
Your Price: $53.99
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Aaron, Wamego, Kansas
Noticeable mileage improvement on my 2013 Lancer manual fwd.
Ali Erikenoglu, New Jersey
Fit my 2014 Mitsubishi Outlander Sport perfectly. I drive conservatively so it added approximately 2-3 mpg to my usual average.
Devin Pessagno, Winnipeg, Canada
The service honestly was great, not only was the filter on sale when I purchased it but shipping was included and it got to my house in Canada in 2 days. My fuel ecocnomy has definitely gotten a bit better.
33-3015 K&N 33-3015 Replacement Air Filter
List Price: $84.19
Your Price: $54.99