K&N parts matching Japko 21NS9 cabin air filter

The Japko 21NS9 cabin air filter cross references with the K&N cabin air filter parts below. K&N offers compatible cabin air filters for many Japko cabin air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Cabin Air Filter
  • Electrostatically Charged to Hold Dirt and Dust
  • Easy to Clean and Reuse
Nard Nebeker, Layton, Utah
Easy to install and fits perfectly. Much nicer than the paper filters.
Kevin Johnson, Bluffton, South Carolina
Impressed with the sturdiness of thse filters. Tired of paying inflated prices for paper filters.
John Henderson, Anderson, South Carolina
I replaced my OEM filters with the K&N cabin air filters and I noticed immediately a great improvement with my A/C getting much colder, much faster.
VF1001 K&N VF1001 Cabin Air Filter
List Price: $126.49
Your Price: $81.99
K&N Cabin Air Filter
  • Electrostatically Charged to Hold Dirt and Dust
  • Easy to Clean and Reuse
Thomas Hughes, Snohomish, Washington
Excellent quality, what I expect from K&N.
Tim Oskins, Phoenix, Arizona
Perfect fit and after a month of usage I can tell the difference in the quality of air in the cab. Buy the best. You will feel the difference.
Fred Downs, Valley Village, California
Filter arrived in a timely manner, was easy to install, and works better than the paper filter. The interior of the car seems to be staying cleaner.
VF3000 K&N VF3000 Cabin Air Filter
List Price: $72.29
Your Price: $46.99