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
    $49.99 Regular Price $39.99 Special Price
    33-3043
    K&N
  2. 2018 Smart Fortwo 0.9L L3 Gas air filter
    $49.99 Regular Price $39.99 Special Price
    33-3043
    K&N
  3. 2017 Smart Fortwo 1.0L L3 Gas air filter
    $49.99 Regular Price $39.99 Special Price
    33-3043
    K&N
  4. 2017 Smart Fortwo 0.9L L3 Gas air filter
    $49.99 Regular Price $39.99 Special Price
    33-3043
    K&N
  5. 2016 Smart Fortwo 1.0L L3 Gas air filter
    $49.99 Regular Price $39.99 Special Price
    33-3043
    K&N
  6. 2016 Smart Fortwo 0.9L L3 Gas air filter
    $49.99 Regular Price $39.99 Special Price
    33-3043
    K&N
  7. 2015 Smart Fortwo 1.0L L3 Gas air filter
    $49.99 Regular Price $39.99 Special Price
    33-3043
    K&N
  8. 2015 Smart Fortwo 0.9L L3 Gas air filter
    $49.99 Regular Price $39.99 Special Price
    33-3043
    K&N
  9. 2015 Smart Fortwo 1.0L L3 Gas air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  10. 2014 Smart Fortwo 0.9L L3 Gas air filter
    $49.99 Regular Price $39.99 Special Price
    33-3043
    K&N
  11. 2014 Smart Fortwo 1.0L L3 Gas air filter
    $49.99 Regular Price $39.99 Special Price
    33-3043
    K&N
  12. 2014 Smart Fortwo 1.0L L3 Gas air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  13. 2014 Smart Fortwo 0.8L L3 Diesel air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  14. 2013 Smart Fortwo 1.0L L3 Gas air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  15. 2013 Smart Fortwo 0.8L L3 Diesel air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  16. 2012 Smart Fortwo 0.8L L3 Diesel air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  17. 2012 Smart Fortwo 1.0L L3 Gas air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  18. 2011 Smart Fortwo 1.0L L3 Gas air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  19. 2011 Smart Fortwo 0.8L L3 Diesel air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  20. 2010 Smart Fortwo 1.0L L3 Gas air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  21. 2010 Smart Fortwo 0.8L L3 Diesel air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  22. 2009 Smart Fortwo 0.8L L3 Diesel air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  23. 2009 Smart Fortwo 1.0L L3 Gas air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  24. 2008 Smart Fortwo 0.8L L3 Diesel air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  25. 2008 Smart Fortwo 1.0L L3 Gas air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
  26. K&N
  27. 2007 Smart Fortwo 0.8L L3 Diesel air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
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  29. 2007 Smart Fortwo 1.0L L3 Gas air filter
    $59.99 Regular Price $47.99 Special Price
    33-2417
    K&N
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