The ARMADA Locking Diesel Fuel Cap for Freightliner features a secure locking mechanism that effectively prevents fuel theft and unauthorized access. It is compatible with Freightliner models, ensuring a reliable fit for your vehicle. This fuel cap includes an enhanced seal that prevents fuel evaporation and emission leaks. It is equipped with a quick and user-friendly locking and unlocking mechanism, engineered to resist corrosion, providing long-lasting performance and durability in its application.