The diesel fuel in your truck contains contaminants dirt, water and air/vapor which is reducing power and damaging your diesel fuel injectors. aFe's POWER DFS780 Diesel Fuel System, with its patent-pending design, is capable of removing power-robbing debris such as air, water and other contaminants. The DFS780 also boosts fuel pressure ensuring constant availability for the high-pressure pump, improving throttle response and horsepower at all RPMs. Features & Benefits Clear High Impact Polycarbonate Sight Glass Helical Spur Gears Runs Quieter That Straight Cut Gears Marine Grade Motor Protects Against Dust And Water Contoured CNC Manifold Enhances Flow Fuel Pressure Gauge Port OE Quality Viton Seals Typical Install Is 2 Hours Built In The U.S.A. Additional Attributes Color: Black & Orange Compatible Fuel Type: Diesel Filter Included: Yes Finish: Anodized Flow Rate: 187 In Tank or External: External Material: 6061-T6 Aluminum Operation: Full Time Pressure Rating: 8-10 Pump Type: Electric Voltage: 12V WARNING CA Proposition 65: Yes WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Water Separator Included: Yes