Genuine Stihl 41401200612 Carburetor C1Q-S97, designed for optimal fuel delivery in Stihl FS38, FS45, FS45C, FS45L, FS46, FS46C, FS55, FS55C, FS55R, FS55RC, HL45, HS45, KM55, KM55C, KM55R, and KM55RC models. This OEM replacement part ensures reliable performance and is a direct fit for specified Stihl trimmers and multi-tools. It supersedes previous Stihl part numbers including 41401200601, 41401200602, 41401200603, 41401200604, 41401200605, 41401200606, 41401200607, 41401200608, 41401200610, and 41401200611.