The Fivestar 300 Watt Magnetic Engine Heater is the perfect solution for cold weather engine starts. This powerful heater is equipped with a magnetic base that easily attaches to the engine block, providing of heating power to quickly warm the engine block to the desired temperature. This ensures a smoother start-up and improved engine performance. The heater is also designed to be energy efficient, helping to reduce fuel consumption and emissions. FleetPride is your First Click in Heavy Duty®.