The ECHO P021006060 Chain Sprocket is a genuine OEM replacement part designed for a wide range of ECHO chainsaws. This essential component ensures proper chain engagement and smooth operation, contributing to the efficient performance of your equipment. It is a direct replacement for part number P021006061 and is compatible with numerous ECHO CS series models, including CS-300, CS-310, CS-340, CS-370, CS-400, CS-440, CS-450, CS-500P, CS-550P, CS-600P, CS-620P, and many others, providing a precise fit and restoring cutting efficiency.