This is a genuine Stihl fuel filter p/n 0000 350 3502, which fits the Stihl 018, MS180, MS181, BG65, BG85C, BR340L, BR420, BR420C, BR500, BR550, BR600, FC110, FC75, FC85, FS100RX, FS110R, FS130, FS85R, HL100KA, TS510, TS700, TS760, TS800, 009 & many other machines. If you are unsure whether this is the correct part for your machine, please fill out our online parts enquiry form here. The technical department will then respond to confirm whether or not it is the correct part for your machine.