The Stihl 42414001318 Ignition Module is a genuine OEM replacement part designed to provide consistent and reliable spark to the engine. This essential component ensures proper engine timing and combustion, critical for optimal performance of Stihl blowers and shredder vacs. It is compatible with various Stihl models including BG 56, BG 56 C, BG 56 C-E, BG 66, BG 66 C, BG 66 C-E, BG 86, BG 86 C, BG 86 C-E, SH 56, SH 56 C, SH 56 C-E, SH 86, SH 86 C, SH 86 C-E, and BR 200. Replacing a faulty ignition module restores engine starting capability and smooth operation.