Stens is an industry leader in replacement parts specifically designed for the outdoor power equipment, industrial equipment and agricultural equipment industries. This plug fits various models of Lawnmowers, Snow Throwers, Tillers, Snowmobiles, Generators, Marine Motors, Motorcycles and Equipment Engines. Designed to meet exacting standards, this replacement spark plug is a reliable solution to start your engine time after time. Refer to equipment owner's manual for specific plug specifications and recommended timing of replacing spark plug(s).