Shop Volvo S40 Top Radiator Hose & Volvo S40 Upper Radiator Hoses. Browse Volvo S40 Top Radiator Hoses In Canada. Find Volvo S40 Radiator Hose Top. Maintaining your Volvo S40's upper radiator hose is crucial for optimal engine performance. Regularly inspect the hose for soft spots, cracks, or bulging ? telltale signs that replacement is imminent. Extend its lifespan by ensuring proper coolant levels and using coolant with corrosion inhibitors. When selecting a new hose, opt for high-quality materials like reinforced silicone or Epdm rubber, which offer durability and heat resistance. Installation is straightforward; however, ensuring a snug fit without overtightening will prevent damage and leaks, keeping your Volvo's cooling system in top shape and ready for peak performance. Shop now for our premium selection and safeguard your ride.