The Spectra Premium Industries, Inc. FN1063 Fuel Tank Filler Neck is engineered to provide a precise fit for 2001-2004 Toyota Highlander models equipped with 3.0L and 3.3L V6 engines. This component is designed to meet or exceed original equipment (OE) specifications, ensuring reliable fuel delivery and system integrity. Constructed with high-quality materials, the FN1063 offers enhanced durability and resistance to corrosion, which is critical for maintaining optimal vehicle performance and safety. The dual-coating process applied to the filler neck provides an additional layer of protection against environmental factors, extending the component's lifespan. Each unit undergoes rigorous leak testing after production to confirm its integrity, preventing potential fuel leaks that could compromise vehicle safety. The FN1063 is also fit-tested on the specific vehicle application, verifying that the design fits properly and can be easily installed, thereby reducing installation time and labor costs. Additionally, the unit is tested with the OE fuel cap to prevent evaporative emission and check engine light failure, ensuring compliance with emission standards and maintaining vehicle efficiency. By choosing the Spectra Premium Industries, Inc. FN1063 Fuel Tank Filler Neck, fleet operators can ensure a reliable and efficient fuel system, minimizing downtime and maintenance costs associated with fuel delivery components.