Trimmer Spark Plug 90118

This nickel spark plug is used in the ignition system of your lawn equipment and is located at the top or side of the engine cylinder. It has a 10mm thread diameter, 1.0mm thread pitch, 16mm hex size, and a 12.7mm reach. It creates the spark needed to ignite the air-fuel mixture for engine power. A broken spark plug may have a cracked insulator, worn electrode, or heavy deposits, resulting in engine issues like misfires or rough idling. To replace it, disconnect the spark plug wire and use a wrench or socket to remove the plug. This OEM-verified spark plug is sold individually.