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Smart Forfour Air Filter

Smart Forfour Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Smart air filter!
  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Smart Forfour Models
  • K&N Million Mile Limited Warranty®
Order your K&N replacement air filter Factory Direct today!
Help your Smart Forfour run better.
  • Fast and FREE SHIPPING with any Smart Forfour air filter
K&N Smart Forfour Air Filter
Vehicle DescriptionPart NumberProduct Image 
2018 Smart Forfour 0.9L L3 Fuel Injection - All Models
Automotive
2018 Smart Forfour 0.9L Air Filter
33-3043 33-3043 Smart Forfour Air Filter
List Price: $66.49
Factory Direct Price: $42.99
2018 Smart Forfour 1.0L L3 Fuel Injection - All Models
Automotive
2018 Smart Forfour 1.0L Air Filter
33-3043 33-3043 Smart Forfour Air Filter
List Price: $66.49
Factory Direct Price: $42.99
2017 Smart Forfour 0.9L L3 Fuel Injection - All Models
Automotive
2017 Smart Forfour 0.9L Air Filter
33-3043 33-3043 Smart Forfour Air Filter
List Price: $66.49
Factory Direct Price: $42.99
2017 Smart Forfour 1.0L L3 Fuel Injection - All Models
Automotive
2017 Smart Forfour 1.0L Air Filter
33-3043 33-3043 Smart Forfour Air Filter
List Price: $66.49
Factory Direct Price: $42.99
2016 Smart Forfour 0.9L L3 Fuel Injection - All Models
Automotive
2016 Smart Forfour 0.9L Air Filter
33-3043 33-3043 Smart Forfour Air Filter
List Price: $66.49
Factory Direct Price: $42.99
2016 Smart Forfour 1.0L L3 Fuel Injection - All Models
Automotive
2016 Smart Forfour 1.0L Air Filter
33-3043 33-3043 Smart Forfour Air Filter
List Price: $66.49
Factory Direct Price: $42.99
2015 Smart Forfour 0.9L L3 Fuel Injection - All Models
Automotive
2015 Smart Forfour 0.9L Air Filter
33-3043 33-3043 Smart Forfour Air Filter
List Price: $66.49
Factory Direct Price: $42.99
2015 Smart Forfour 1.0L L3 Fuel Injection - All Models
Automotive
2015 Smart Forfour 1.0L Air Filter
33-3043 33-3043 Smart Forfour Air Filter
List Price: $66.49
Factory Direct Price: $42.99
2014 Smart Forfour 0.9L L3 Fuel Injection - All Models
Automotive
2014 Smart Forfour 0.9L Air Filter
33-3043 33-3043 Smart Forfour Air Filter
List Price: $66.49
Factory Direct Price: $42.99
2014 Smart Forfour 1.0L L3 Fuel Injection - All Models
Automotive
2014 Smart Forfour 1.0L Air Filter
33-3043 33-3043 Smart Forfour Air Filter
List Price: $66.49
Factory Direct Price: $42.99
2006 Smart Forfour 1.1L L3 Fuel Injection - All Models
Automotive
2006 Smart Forfour 1.1L Air Filter
33-2881 33-2881 Smart Forfour Air Filter
List Price: $72.39
Factory Direct Price: $46.99
2006 Smart Forfour 1.3L L4 Fuel Injection - All Models
Automotive
2006 Smart Forfour 1.3L Air Filter
33-2881 33-2881 Smart Forfour Air Filter
List Price: $72.39
Factory Direct Price: $46.99
2006 Smart Forfour 1.5L L4 Fuel Injection - All Models
Automotive
2006 Smart Forfour 1.5L Air Filter
33-2881 33-2881 Smart Forfour Air Filter
List Price: $72.39
Factory Direct Price: $46.99
2005 Smart Forfour 1.1L L3 Fuel Injection - All Models
Automotive
2005 Smart Forfour 1.1L Air Filter
33-2881 33-2881 Smart Forfour Air Filter
List Price: $72.39
Factory Direct Price: $46.99
2005 Smart Forfour 1.3L L4 Fuel Injection - All Models
Automotive
2005 Smart Forfour 1.3L Air Filter
33-2881 33-2881 Smart Forfour Air Filter
List Price: $72.39
Factory Direct Price: $46.99
2005 Smart Forfour 1.5L L4 Fuel Injection - All Models
Automotive
2005 Smart Forfour 1.5L Air Filter
33-2881 33-2881 Smart Forfour Air Filter
List Price: $72.39
Factory Direct Price: $46.99
2004 Smart Forfour 1.1L L3 Fuel Injection - All Models
Automotive
2004 Smart Forfour 1.1L Air Filter
33-2881 33-2881 Smart Forfour Air Filter
List Price: $72.39
Factory Direct Price: $46.99
2004 Smart Forfour 1.3L L4 Fuel Injection - All Models
Automotive
2004 Smart Forfour 1.3L Air Filter
33-2881 33-2881 Smart Forfour Air Filter
List Price: $72.39
Factory Direct Price: $46.99
2004 Smart Forfour 1.5L L4 Fuel Injection - All Models
Automotive
2004 Smart Forfour 1.5L Air Filter
33-2881 33-2881 Smart Forfour Air Filter
List Price: $72.39
Factory Direct Price: $46.99

Use K&N's application search to find the right air filter for your Smart. Upgrade your Smart Forfour today with a K&N air filter. K&N automotive replacement air filters are a top performance accessory that can help your car or truck run better.