The fuel tank caps category for International DuraStar trucks offers various options to keep your fuel system secure and efficient. Whether replacing a non-locking vented cap, upgrading to a locking cap for theft protection, or installing a complete collar and cap kit, you'll find what you need here. Crafted from durable materials like aluminum and brass, these caps are designed to resist corrosion and provide a dependable seal. With sizes tailored to fit various tank openings, they ensure your fuel stays safely contained while your truck performs at its best. Protect your DuraStar's fuel system with reliable, high-quality caps that keep your tank sealed, leak-free, and ready for the road. Whether it's for maintenance or added security, this selection is the perfect fit for your truck.