The Spectra Premium Industries, Inc. FN540 Fuel Tank Filler Neck is engineered to provide a precise fit and reliable performance for specific vehicle applications. Designed to meet or exceed original equipment (OE) specifications, this fuel tank 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 the component. The 18-inch length and 1.5-inch diameter dimensions are tailored to fit select Ford and Lincoln models, including the 2000-2004 Ford F-150 with 5.4L V8 and 4.6L V8 engines, the 2004 Ford F-150 Heritage with 4.2L V6 engine, and the 2002 Lincoln Blackwood with 5.4L V8 engine. The quick-on cup type facilitates easy installation, reducing downtime and labor costs. The unit is dual-coated for enhanced corrosion protection, ensuring longevity and consistent performance. It is leak-tested after production to ensure the product is free from fuel and/or evaporative leaks, providing peace of mind and safety. Additionally, the filler neck is tested with the OE fuel cap to prevent evaporative emission and check engine light failure, ensuring compliance with emission standards. By choosing the Spectra Premium Industries, Inc. FN540 Fuel Tank Filler Neck, fleet operators can maintain the integrity of their vehicles' fuel systems, minimize maintenance costs, and ensure reliable operation across their fleet.