K&N parts matching 1A First A63725 air filter

The 1A First A63725 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many 1A First air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
John Saintamant, Sterling Heights, Michigan
I can actually hear my turbo now!
Tom Ferguson, England
Top product. Definitely noticed a difference with my car
Ian Keen-Smith, Argyll, Scotland
Simple to fit. All good! :-)
33-3005 K&N 33-3005 Replacement Air Filter
List Price: $84.49
Your Price: $53.99