The Freightliner Cascadia 113/125 Fuel Tank Caps product lineup includes a wide range of fuel tank caps and related accessories for the popular Freightliner Cascadia semi-truck models. Whether you need a non-vented locking cap, a vented cap with an anti-siphon tube, or a replacement gasket, this product lineup has you covered. The caps are designed to provide a secure and reliable seal to prevent fuel leaks and theft, while also accommodating ventilation needs. Many feature push-and-twist or 1/4-turn mechanisms for easy and convenient access. Customers can also find chrome and plastic cap covers to add a stylish touch to their Cascadia's fuel system. With a focus on quality, compatibility, and functionality, this product lineup ensures Cascadia owners can keep their fuel tanks properly sealed and protected.