Compatible with Stihl: trimmers and cutters: FS38 FS45 FS46 FS55 FS55R FS55RC KM55 HL45 KM55R FS45C FS45L FS55C FS55T FC55 FS75 FS80 FS85 FC75 FC85 HL75 HT70 HT75 SP85
Note:The carburetor is suitable for models before 2013