Genuine OEM Audi Coolant Hose, part number 079121036D. This critical component is responsible for transporting coolant between various parts of the engine cooling system, ensuring efficient heat dissipation and maintaining optimal engine operating temperature. It is specifically engineered for its position within the complex cooling circuit. Weighing approximately 0.233 kg, this hose is constructed from high-quality, heat-resistant rubber compounds. Using a genuine OEM coolant hose guarantees the correct routing geometry, resistance to extreme temperatures and pressures, and long-term leak-free performance, which is vital for engine health.