Browse Honda Upper Radiator Hoses. Shop Honda Radiator Hose Top & Honda Top Radiator Hoses In Canada. Find Honda Upper Radiator Hoses Replacement. Maintaining the upper radiator hose in your Honda is crucial for ensuring optimal engine temperature regulation. Regular inspections for soft spots, bulges, or cracks can alert you to the need for replacement, preventing potential overheating. To enhance longevity, ensure clamps are tight and the hose is free from oil contamination, which can deteriorate the rubber. When selecting a new hose, opt for high-quality materials like reinforced silicone, which offers superior heat resistance and durability. Installation is straightforward, but always remember to allow the engine to cool before attempting to replace the hose, ensuring a secure and leak-free fit to keep your Honda running smoothly.