Compatibility This ignition coil module fits MS180, MS170, 018, and 017 chainsaw designs, ensuring compatibility with the ignition systems of these models and facilitating user replacement and maintenance. Design and performance The module uses appropriate materials and advanced manufacturing processes to deliver stable ignition performance, ensuring smooth start up and operation under various working conditions. Engine efficiency and power Replacing the ignition coil can improve fuel combustion efficiency, increase engine power output, support performance during load operations, and reduce fuel consumption. Easy installation Designed for user convenience with a simple installation process and detailed instructions. Suitable for DIY enthusiasts and ordinary users. It does not require professional tools or skills and can be quickly replaced. Use scenarios When starting is difficult or the engine misfires on MS180, MS170, 018, or 017 chainsaws, replacing the coil can restore reliable starts. During heavy cutting or load operations, the coil helps maintain consistent ignition and power, reducing performance fluctuations. As part of regular maintenance to prevent ignition failure and sustain overall engine efficiency and reliability.