The STIHL 41404001311 Ignition Module is a genuine OEM replacement part designed to provide reliable spark for optimal engine performance. This module is compatible with a wide range of STIHL handheld power equipment, including FS38, FS45, FS46, FS55, HL45, HS45, and KM55 series trimmers, brushcutters, hedge trimmers, and KombiEngines. It ensures consistent ignition timing for efficient operation and easy starting. Replace your faulty ignition module with this authentic STIHL part to restore peak performance to your equipment.