The Spectra Premium Industries, Inc. FN1078 Fuel Tank Filler Neck is a high-quality replacement component designed to meet the exact specifications of the original equipment manufacturer (OEM). Measuring 14 inches in length with a 1.125-inch inside diameter, this steel fuel filler neck ensures a precise fit and reliable performance for your vehicle's fuel system. Manufactured with dual coating for enhanced corrosion protection, it is engineered to withstand the rigors of daily use and environmental exposure, thereby extending the service life of your vehicle's fuel system. The FN1078 is fit-tested on the specific vehicle application for which it was developed, verifying firsthand that the design fits properly and can be easily installed. This rigorous testing process ensures that the filler neck integrates seamlessly with your vehicle's existing components, minimizing installation time and reducing the potential for operational issues. Additionally, the unit is leak-tested after production to ensure it is free from fuel and/or evaporative leaks, providing peace of mind and maintaining the integrity of your vehicle's fuel system. Designed to accommodate gas flex fuel types, the FN1078 is compatible with a wide range of vehicles, offering versatility and reliability. Its steel construction provides strength and durability, ensuring that it can withstand the demands of heavy-duty applications. By choosing the Spectra Premium Industries, Inc. FN1078 Fuel Tank Filler Neck, you are investing in a component that not only meets but exceeds OEM standards, contributing to the overall efficiency and longevity of your vehicle's fuel system.