Explore Ford Thunderbird Radiator Hose Top. Shop Ford Thunderbird Top Radiator Hose & Ford Thunderbird Upper Radiator Hoses Replacement. Maintaining the upper radiator hoses of your Ford Thunderbird is essential for optimal engine performance, as these hoses are responsible for transporting hot coolant from the engine to the radiator. Regular inspection for cracks, leaks, or a spongy feel can help prevent roadside emergencies and costly repairs. To extend their lifespan, ensure proper coolant mixture and avoid sharp bends during installation. When choosing a replacement, consider hoses made from high-quality ethylene propylene diene monomer (Epdm) that offer superior heat resistance and durability. Installation tip: always flush the cooling system before fitting new hoses to remove any debris and ensure maximum efficiency. With the right care and quality parts, your Thunderbird's cooling system will remain in top condition.