Smart Fortwo Replacement Air Filters

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

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

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

  1. 2018 Smart Fortwo 1.0L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-3043
    K&N
  2. 2018 Smart Fortwo 0.9L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-3043
    K&N
  3. 2017 Smart Fortwo 1.0L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-3043
    K&N
  4. 2017 Smart Fortwo 0.9L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-3043
    K&N
  5. 2016 Smart Fortwo 1.0L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-3043
    K&N
  6. 2016 Smart Fortwo 0.9L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-3043
    K&N
  7. 2015 Smart Fortwo 1.0L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-3043
    K&N
  8. 2015 Smart Fortwo 0.9L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-3043
    K&N
  9. 2015 Smart Fortwo 1.0L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  10. 2014 Smart Fortwo 0.9L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-3043
    K&N
  11. 2014 Smart Fortwo 1.0L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-3043
    K&N
  12. 2014 Smart Fortwo 1.0L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  13. 2014 Smart Fortwo 0.8L L3 Diesel air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  14. 2013 Smart Fortwo 1.0L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  15. 2013 Smart Fortwo 0.8L L3 Diesel air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  16. 2012 Smart Fortwo 0.8L L3 Diesel air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  17. 2012 Smart Fortwo 1.0L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  18. 2011 Smart Fortwo 1.0L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  19. 2011 Smart Fortwo 0.8L L3 Diesel air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  20. 2010 Smart Fortwo 1.0L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  21. 2010 Smart Fortwo 0.8L L3 Diesel air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  22. 2009 Smart Fortwo 0.8L L3 Diesel air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  23. 2009 Smart Fortwo 1.0L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  24. 2008 Smart Fortwo 0.8L L3 Diesel air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  25. 2008 Smart Fortwo 1.0L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  26. 2007 Smart Fortwo 0.8L L3 Diesel air filter
    Special Price €51.59 Regular Price €68.79
    E-9257
    K&N
  27. 2007 Smart Fortwo 0.8L L3 Diesel air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  28. 2007 Smart Fortwo 0.7L L3 Gas air filter
    Special Price €51.59 Regular Price €68.79
    E-9257
    K&N
  29. 2007 Smart Fortwo 1.0L L3 Gas air filter
    Special Price €58.99 Regular Price €78.69
    33-2417
    K&N
  30. 2006 Smart Fortwo 0.8L L3 Diesel air filter
    Special Price €51.59 Regular Price €68.79
    E-9257
    K&N
  31. 2006 Smart Fortwo 0.7L L3 Gas air filter
    Special Price €51.59 Regular Price €68.79
    E-9257
    K&N
  32. 2005 Smart Fortwo 0.7L L3 Gas air filter
    Special Price €51.59 Regular Price €68.79
    E-9257
    K&N
  33. 2005 Smart Fortwo 0.8L L3 Diesel air filter
    Special Price €51.59 Regular Price €68.79
    E-9257
    K&N
  34. 2004 Smart Fortwo 0.8L L3 Diesel air filter
    Special Price €51.59 Regular Price €68.79
    E-9257
    K&N
  35. 2004 Smart Fortwo 0.7L L3 Gas air filter
    Special Price €51.59 Regular Price €68.79
    E-9257
    K&N
  36. 2003 Smart Fortwo 0.7L L3 Gas air filter
    Special Price €51.59 Regular Price €68.79
    E-9257
    K&N
  37. 2002 Smart Fortwo 0.7L L3 Gas air filter
    Special Price €51.59 Regular Price €68.79
    E-9257
    K&N
  38. 2001 Smart Fortwo 0.7L L3 Gas air filter
    Special Price €51.59 Regular Price €68.79
    E-9257
    K&N
  39. 2000 Smart Fortwo 0.7L L3 Gas air filter
    Special Price €51.59 Regular Price €68.79
    E-9257
    K&N
  40. 1999 Smart Fortwo 0.7L L3 Gas air filter
    Special Price €51.59 Regular Price €68.79
    E-9257
    K&N
  41. 1998 Smart Fortwo 0.7L L3 Gas air filter
    Special Price €51.59 Regular Price €68.79
    E-9257
    K&N
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