The Spectra Premium Industries, Inc. FN821 Fuel Filler Neck is a 15-inch steel component designed to replace the original equipment (OE) fuel filler neck in various vehicle applications. This fuel filler neck is engineered to meet or exceed OE specifications, ensuring a precise fit and reliable performance. Constructed from high-quality steel, it offers enhanced durability and resistance to corrosion, extending the service life of the fuel system. The black finish provides an additional layer of protection against environmental factors, maintaining the component's appearance and functionality over time. Installation is straightforward, thanks to its OE design, which allows for easy integration into the existing fuel system without the need for modifications. This fuel filler neck is compatible with gasoline fuel types and is equipped with a quick-on cup type for secure attachment. It features a vent with an inside diameter of 0.31 inches, accommodating the necessary venting requirements of the fuel system. The FN821 Fuel Filler Neck is leak-tested after production to ensure it is free from fuel and evaporative leaks, contributing to the overall safety and efficiency of the vehicle. By choosing this replacement part, fleet operators can maintain the integrity of their vehicles' fuel systems, ensuring consistent fuel delivery and minimizing the risk of fuel-related issues that could lead to operational disruptions.