Keep your Toro lawn mower running like new, season after season. This kit is designed for walk-behind lawn mowers with a Toro engine - model years 2013 and newer. This kit includes an 18 oz. bottle of 4-cycle engine oil (part # 38916), one spark plug (part # 121-4199), one air filter (part # 119-1909) and a .05 oz. packet of fuel stabilizer (part # 130-2393).