The Stihl SV11404001309 is a genuine OEM Ignition Module designed for various Stihl outdoor power equipment. This critical component ensures reliable engine ignition, providing consistent performance for models including the FS38, FS45, FS45C-E, FS45L, FS46, and FS46C-E trimmers, HL45 and HS45 hedge trimmers, and KM55, KM55C-E, KM55R, and KM55RC-E KombiMotors. Replacing a faulty ignition module with this OEM part restores optimal engine operation and reliability.