Genuine OEM Audi Coolant Hose with Coupling, part number 4H0121055J. This flexible hose is designed to connect various components within the vehicle's cooling system, facilitating the transfer of coolant. The integrated coupling allows for secure and quick detachment, simplifying maintenance and repairs. Weighing approximately 0.383 kg and measuring 0.435 m in length, this hose is engineered to withstand high temperatures and pressures. Choosing a genuine OEM coolant hose ensures proper flexibility, resistance to degradation, and a perfectly matched coupling for a secure, leak-free connection.