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. K&N Extended Life 24,000 Mile Engine Air Filter - FORD C-MAX L4-1.6L F/I
  2. 2018 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-2993
    K&N
  3. K&N Extended Life 24,000 Mile Engine Air Filter - FORD C-MAX L4-1.6L F/I
  4. 2018 Ford Focus 1.0L L3 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-2993
    K&N
  5. K&N Extended Life 24,000 Mile Engine Air Filter - FORD C-MAX L4-1.6L F/I
  6. 2017 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-2993
    K&N
  7. K&N Extended Life 24,000 Mile Engine Air Filter - FORD C-MAX L4-1.6L F/I
  8. 2017 Ford Focus 1.0L L3 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-2993
    K&N
  9. K&N Extended Life 24,000 Mile Engine Air Filter - FORD C-MAX L4-1.6L F/I
  10. 2016 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-2993
    K&N
  11. K&N Extended Life 24,000 Mile Engine Air Filter - FORD C-MAX L4-1.6L F/I
  12. 2016 Ford Focus 1.0L L3 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-2993
    K&N
  13. 2015 Ford Focus 1.0L L3 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-2993
    K&N
  14. K&N Extended Life 24,000 Mile Engine Air Filter - FORD C-MAX L4-1.6L F/I
  15. 2015 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-2993
    K&N
  16. K&N Extended Life 24,000 Mile Engine Air Filter - FORD C-MAX L4-1.6L F/I
  17. K&N Extended Life 24,000 Mile Engine Air Filter - FORD C-MAX L4-1.6L F/I
  18. 2014 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-2993
    K&N
  19. K&N Extended Life 24,000 Mile Engine Air Filter - FORD C-MAX L4-1.6L F/I
  20. 2013 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-2993
    K&N
  21. K&N Extended Life 24,000 Mile Engine Air Filter - FORD C-MAX L4-1.6L F/I
  22. 2012 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    E-2993
    K&N
  23. 2011 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    33-2401
    K&N
  24. 2010 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    33-2401
    K&N
  25. 2009 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    33-2401
    K&N
  26. 2008 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    33-2401
    K&N
  27. 2007 Ford Focus 2.0L L4 Gas air filter
    $79.99 Regular Price $63.99 Special Price
    33-2401
    K&N
  28. 2004 Ford Focus 1.4L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  29. 2004 Ford Focus 2.0L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  30. 2004 Ford Focus 1.6L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  31. 2004 Ford Focus 1.8L L4 Diesel air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  32. 2003 Ford Focus 1.4L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  33. 2003 Ford Focus 1.6L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  34. 2003 Ford Focus 2.0L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  35. 2003 Ford Focus 2.3L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  36. 2003 Ford Focus 1.8L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  37. 2002 Ford Focus 1.4L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  38. 2002 Ford Focus 2.0L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  39. 2002 Ford Focus 1.6L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  40. 2002 Ford Focus 1.8L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  41. 2001 Ford Focus 2.0L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  42. 2001 Ford Focus 1.8L L4 Diesel air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  43. 2001 Ford Focus 1.6L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  44. 2001 Ford Focus 1.4L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  45. 2000 Ford Focus 1.8L L4 Diesel air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  46. 2000 Ford Focus 1.6L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  47. 2000 Ford Focus 1.4L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  48. 2000 Ford Focus 2.0L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  49. 1999 Ford Focus 2.0L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  50. 1999 Ford Focus 1.6L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  51. 1999 Ford Focus 1.8L L4 Diesel air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  52. 1999 Ford Focus 1.4L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  53. 1998 Ford Focus 2.0L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  54. 1998 Ford Focus 1.8L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  55. 1998 Ford Focus 1.6L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
  56. 1998 Ford Focus 1.4L L4 Gas air filter
    $54.99 Regular Price $43.99 Special Price
    33-2819
    K&N
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