This selection of Hardware components is essential for maintaining the fuel supply system in passenger cars and commercial vehicles. Located throughout the fuel lines, tank, and pump assemblies, these parts provide secure connections and sealing for critical fuel system components. Hardware within this Engine Parts > Fuel Supply category includes bolts, nuts, washers, clips, and retaining rings used to assemble and secure fuel lines, fuel rails, and injectors. For example, Febi MPN FEBI21575 and MAN MPN 81473016067 are common fasteners used in these applications. These components are manufactured to OE specifications to ensure proper fit, function, and durability within demanding under-vehicle environments.