Videos of stihl fs45 fuel filter replacement Click to view on YouTube0:55Replace fuel filter on a Stihl string trimmer175 viewsYouTube · 2 months agoClick to view on YouTube2:38How to change the string trimmer's fuel filter63K viewsYouTube · 7 years agoClick to view on YouTube2:31Lawn Edger Fuel Filter Replacement20K viewsYouTube · 4 years agoClick to view on YouTube3:54Stihl FS38 Grass Trimmer Fuel Line Replacement96K viewsYouTube · 7 years agoClick to view on YouTube10:20Fuel Leak Fix with New Fuel Lines, Grommets, Filter Replacement for Stihl lawn equipment50K viewsYouTube · 2 years agoClick to view on YouTube4:21Stihl FS130 Fuel Line Filter Change Out4K viewsYouTube · 1 year agoSee more videos of stihl fs45 fuel filter replacement How to Change the Gas Filter on a Stihl Gas Trimmer | Hunker The Stihl gas trimmer uses a filter to removes contaminants from the fuel before it enters the carburetor. The gas filter is inside the fuel tank on the end of the incoming fuel line. When your Stihl becomes difficult to start or often stalls even with a full tank of fuel, chances are the fuel filter is dirty. Amazon: stihl fs45 fuel filter Amazon: stihl fs45 fuel filter. Skip to main content. Try Prime All HIPA Replacement Fuel Filter ZF-4 for STIHL FS38 FS45 FS46 FS55 FS55R FS55RC FS72 FS74 FS76 FS81 FS85 FS86 FS90R FS100 HT100 KM85 KM90 Kombi Motor Edger String Trimmer. 4.4 out of 5 stars 22. $6 $ 6. 85.