Browse Toyota Tundra Pickup Top Radiator Hoses In Canada & Toyota Tundra Pickup Top Radiator Hose Locate Toyota Tundra Pickup Upper Radiator Hoses Replacement. Maintaining the upper radiator hose in your Toyota Tundra is crucial for ensuring a properly functioning cooling system. To extend its lifespan, regularly check for stiffness, cracks, or bulges, which are telltale signs that replacement is imminent. When selecting a new hose, opt for high-quality materials like reinforced silicone that offer durability and heat resistance. The upper radiator hose serves as the vital conduit for hot coolant to flow from the engine to the radiator; thus, proper installation is key to prevent leaks and overheating. Explore our range of custom-fit hoses designed for easy installation and long-term reliability, ensuring your Tundra operates at peak performance.