This fuel tank is a genuine OEM part sourced from the manufacturer. It is commonly used on chippers, lawnmowers, lawn tractors, and other lawn and garden equipment that is powered by gasoline. The fuel tank is attached to the carburetor with a hose and clamp. The fuel tank has a vented fuel cap to help keep a vacuum from developing in the fuel line. If a vacuum develops, the fuel will not flow from the fuel tank to the carburetor. The fuel tank is made of non-corrosive plastic to prevent deterioration from the fuel.Inspect the fuel tank periodically for signs of deterioration. If there are any cracks or flaws that could become cracks, replace the fuel tank. Leaking fuel not only reduces the performance of the engine but can also be a safety hazard. Before replacing the tank, the fuel should be run dry or pumped out. Remove the spark plug to prevent accidental engine ignition while the fuel tank is replaced. This fuel tank is sold as an individual unit. It is designed for use with lawnmowers, lawn tractors, and many other small engines that are powered by fuel. This fuel tank is compatible with equipment made by MTD, Yard Machines, Yard-Man, Cub Cadet, Troy-Bilt, and Husky.