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K&N Air Filters for the Stihl MS640

Stihl MS640 Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any air filter!
  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Washable and Reusable
Buy a K&N air filter. Help your Stihl MS640 run better.
Replacement Air Filters
Vehicle DescriptionPart NumberProduct Image 
Stihl MS640 - All
Small Engine/Light Industrial
Stihl MS640 Air Filter
E-4250 E-4250 MS640 Air Filter
List Price: $49.73
Factory Direct Price: $33.99