Ignition Coil Fits STIHL FS75 FS80 FS85 FC85 HT70 HT75 HL75 HL75K HS75 HS80 HS85 KM85 Hedge Trimmer Edger Pole Saw 4137 400 1350 Aftermarket replacement non-original ignition coil. Fits STIHL trimmers, hedge trimmers, edgers, pole saws: FS75 FS80 FS85 FC85 HL75 HT70 HT75 HL75K HS75 HS80 HS85 KM85. Replaces STIHL OEM parts: 4137 400 1350.