Champion Eco-Clean 5/8 in. RC12YC Spark Plug for 4-Cycle Engines

A spark plug creates the electrical spark that ignites the fuel in your engine, and this one replaces worn parts to get your lawn mower running smoothly. Keep outdoor power equipment in prime condition by replacing spark plugs at least once every season. This spark plug delivers faster, easier and more consistent starts. It is a premium, small-engine spark plug designed to deliver smooth starts, optimum performance and maximum plug life.