The fuel filter is connected in series on the pipeline between the fuel pump and the inlet of the throttle body. The function of a fuel filter is to remove solid impurities such as iron oxide dust contained in the fuel, and prevent fuel system blockage (especially fuel injectors). Reduce mechanical wear, ensure stable engine operation, and improve reliability. The structure of the fuel injector consists of an aluminum shell and a stainless steel bracket inside. The bracket is equipped with high-