Introducing the Airdog II-5G A7SABC512 DF-220-5G Air/Fuel Separation System! This updated version of the Airdog fuel system features a bigger and better pump, perfect for your Duramax 2001-2010. With 220 GPH flow and a 4-bearing motor, this pump can handle anything you throw at it. The larger ports and diaphragm fuel pressure regulator provide increased efficiency and performance, while the demand flow design reduces aeration for an even smoother ride. So don't go another day without the best possible fuel system for your rig - order your Airdog today!