Genuine OEM Audi Engine Coolant Hose Retainer, part number 4K0121305AN. This component is designed to securely hold an engine coolant hose in its designated position within the cooling system. It prevents unwanted movement or chafing of the hose. Weighing 0.039 kg and measuring 0.07m in length, this retainer is precisely engineered. Using a genuine OEM retainer ensures the correct fit and material quality, crucial for the long-term reliability of the cooling system.