Ford Focus Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Ford Focus air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Ford Focus Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Ford Focus run better. Fast and FREE SHIPPING with any Ford Focus air filter

  1. 2018 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  2. 2018 Ford Focus 1.0L L3 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  3. 2017 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  4. 2017 Ford Focus 1.0L L3 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  5. 2016 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  6. 2016 Ford Focus 1.0L L3 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  7. 2015 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  8. 2015 Ford Focus 1.0L L3 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  9. 2014 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  10. 2013 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  11. 2012 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  12. 2011 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    33-2401
    K&N
  13. 2010 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    33-2401
    K&N
  14. 2009 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    33-2401
    K&N
  15. 2008 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    33-2401
    K&N
  16. 2007 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    33-2401
    K&N
  17. 2004 Ford Focus 1.4L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  18. 2004 Ford Focus 2.0L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  19. 2004 Ford Focus 1.6L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  20. 2004 Ford Focus 1.8L L4 Diesel air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  21. 2003 Ford Focus 1.8L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  22. 2003 Ford Focus 2.0L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  23. 2003 Ford Focus 1.6L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  24. 2003 Ford Focus 1.4L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  25. 2002 Ford Focus 1.4L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  26. 2002 Ford Focus 2.0L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  27. 2002 Ford Focus 1.6L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  28. 2002 Ford Focus 1.8L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  29. 2001 Ford Focus 1.4L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  30. 2001 Ford Focus 2.0L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  31. 2001 Ford Focus 1.8L L4 Diesel air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  32. 2001 Ford Focus 1.6L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  33. 2000 Ford Focus 1.8L L4 Diesel air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  34. 2000 Ford Focus 1.6L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  35. 2000 Ford Focus 1.4L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  36. 2000 Ford Focus 2.0L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  37. 1999 Ford Focus 2.0L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  38. 1999 Ford Focus 1.6L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  39. 1999 Ford Focus 1.8L L4 Diesel air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  40. 1999 Ford Focus 1.4L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  41. 1998 Ford Focus 2.0L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  42. 1998 Ford Focus 1.8L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  43. 1998 Ford Focus 1.6L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
  44. 1998 Ford Focus 1.4L L4 Gas air filter
    $54.99 Regular Price $49.49 Special Price
    33-2819
    K&N
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