The Freightliner FL70-FL80 Fuel Tank Caps product lineup offers a wide selection of replacement and upgrade options for the fuel tank caps on these popular semi-truck models. Whether you're looking to prevent leaks, add security, or improve ventilation, you'll find a variety of high-quality fuel caps to choose from. The product lineup features caps in different sizes, materials, and styles to suit your specific needs, including brass, aluminum, and locking options. Maximize your fuel efficiency and protect against potential spills or siphoning with the durable and reliable fuel tank caps in this product lineup. Upgrade your Freightliner with the perfect fuel cap solution to keep your truck running at its best.