The Spectra Premium Industries, Inc. FN725 Fuel Tank Filler Neck is engineered to provide a precise fit for specific Ford vehicle models, including the 1997 Ford F-150 8 Cyl 4.6 L, 1987-1996 Ford F-150 8 Cyl 5 L, 1994-1997 Ford F-250 8 Cyl 5.8 L, and 1987-1997 Ford F-350 8 Cyl 7.5 L. This component is designed to meet or exceed original equipment (OE) specifications, ensuring seamless integration and reliable performance. Constructed from high-quality steel, the FN725 features a dual coating that offers enhanced corrosion protection, extending the service life of the fuel system. The unit undergoes rigorous leak testing after production to confirm it is free from fuel and evaporative leaks, maintaining the integrity of the vehicle's fuel system. Additionally, the FN725 is tested with the OE fuel cap to prevent evaporative emission and check engine light failures, ensuring compliance with environmental standards. This fuel tank filler neck is fit-tested on the specific vehicle applications for which it was developed, verifying that the design fits properly and can be easily installed. By choosing the Spectra Premium Industries, Inc. FN725 Fuel Tank Filler Neck, fleet operators can ensure the durability and reliability of their vehicles' fuel systems, minimizing downtime and maintenance costs associated with fuel system failures.