Shop for Aftermarket Fuel Tank Brackets & Straps for the Mack R Model. Secure your Mack R truck s fuel tanks with durable brackets, straps, and hardware from this product lineup. Built for stability and protection, these parts prevent leaks and damage while keeping your fuel system running smoothly. With weather-resistant materials and easy installation, it s never been easier to maintain or upgrade your setup. Keep your Mack R rolling safely with reliable fuel tank hardware you can count on.