Genuine OEM Audi Engine Coolant Hose, part number 1J0121096AT. This S-shaped rubber hose is a vital component of the engine cooling system, responsible for transporting coolant between various engine components. It ensures efficient heat dissipation and maintains optimal engine operating temperatures. Weighing 0.11 kg and measuring 0.16 m in length, this hose is engineered for specific routing and pressure requirements. Choosing genuine OEM guarantees the correct material composition, flexibility, and resistance to heat and pressure for reliable, leak-free performance.