K&N parts matching Hastings AF1437 air filter

The Hastings AF1437 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many Hastings air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Marvin Fisher Jr, Lebanon, Tennessee
The filter is the first high flow I have purchased. It was for my 2012 F250 6.7 liter diesel. The engine seems to have more horsepower but I have not had it dyno-ed to know for sure. The mileage does not seem to have changed for the better. If anything it seems to be a little lower but more consistent at speeds between 65-80. I can hear the engine sucking more air at lower rpms once it shifts into 3rd or higher with no or very light acceleration.
Randy Fitzgerald, Georgia
Very satisfied.
Bill Daniels, Auburn, Washington
The filter installed with no problems. Not enough driving experience to date for any further analysis.
33-5010 K&N 33-5010 Replacement Air Filter
List Price: $130.69
Your Price: $83.99
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Santos Chapa, Edinburg, Texas
Great product.
Bruce Altman, Warrens, Wisconsin
I am extremely happy with this filter it raised my MPG 1 mile per gallon. I drive a 2018 F250 6.2 L.
John Gates, Shreveport, Louisiana
Product shipped in a timely manner. Was easy to install and fit properly. Don’t know about fuel mileage as I do not drive truck enough to worry about it.
E-0644 K&N E-0644 Replacement Air Filter
List Price: $178.09
Your Price: $97.99