Premium Guard Heavy Duty Fuel Filters  are designed and engineered to meet OEM requirements and fitment. Delivering high efficiency filtration, our filters meet modern engine demands for maximum fuel flow. Quality fuel filters are essential for protecting fuel injection systems from contaminants that may be in the fuel, ensuring optimal performance and fuel economy. Often, fuel has contaminants originating from service station tanks or from corrosion in fuel system components as a vehicle ages; dirt, rust and water are the major impurities present in fuel. These contaminants can plug injectors and carburetors which can cause engine malfunction. Premium Guard Heavy Duty Fuel Filters are engineered for a long life of extended service intervals.