The Echo 15660152131 Trimmer Ignition Coil helps generate the electrical spark needed for proper engine ignition on compatible Echo trimmer applications. This ignition coil works with the engine's ignition system to produce and deliver the required voltage to the spark plug, supporting starting and normal engine operation. It is a practical replacement for a worn, damaged, or faulty c... https://www.wholetoolbox.com/echo-15660152131-trimmer-ignition-coil/15660152131.html