The Spectra Premium Industries, Inc. FN635 Fuel Filler Neck is engineered to provide a precise fit and reliable performance for your vehicle's fuel system. Designed to meet or exceed original equipment specifications, this fuel filler neck ensures seamless integration and optimal functionality. Constructed from high-quality steel, it offers enhanced durability and resistance to corrosion, extending the service life of your vehicle's fuel system components. The FN635 features a length of 27.5 inches and an inside diameter of 1.375 inches, making it suitable for various applications. Its design includes a vent line with a 0.5-inch inside diameter, accommodating specific vehicle requirements. The fuel filler neck is dual-coated to provide enhanced corrosion protection, ensuring longevity and consistent performance. It is fit-tested on the same vehicle application for which it was developed, verifying that the design fits properly and can be easily installed. Additionally, the unit is leak-tested after production to ensure it is free from fuel and evaporative leaks, maintaining the integrity of the fuel system. The FN635 is compatible with gasoline fuel types and is designed to work with OE fuel caps to prevent evaporative emission and check engine light failure. This fuel filler neck is an essential component for maintaining the efficiency and safety of your vehicle's fuel system, offering a reliable solution for your replacement needs.