The ECHO P021010260 Piston Kit is a genuine OEM replacement part designed for various ECHO CS-series chainsaws. This essential component is crucial for maintaining proper engine compression and power, ensuring reliable operation and extending the lifespan of your equipment. It is compatible with models such as CS-300, CS-3000, CS-301, CS-305, CS-340, CS-3400, CS-341, CS-345, and CS-346. Weighing approximately 0.054 kg, this piston kit meets ECHO's stringent quality standards for fit and performance.