Genuine OEM Audi Flexible Coolant Hose, part number 8K0121081CF. This hose is a critical component in the engine cooling system, facilitating the flow of coolant. It is located in the engine compartment, connecting various parts of the cooling circuit. Made from durable rubber and plastic materials, it is designed to withstand high temperatures and pressures. Genuine OEM parts ensure exact fitment and material integrity, crucial for preventing leaks and maintaining the longevity of the cooling system.