Genuine OEM Audi Engine Coolant Hose, part number 4G1265347AF. This essential component is responsible for transporting engine coolant throughout the cooling system, ensuring efficient heat dissipation and maintaining optimal engine operating temperatures. It is typically found as a primary line within the engine bay, connecting major cooling system components. Weighing approximately 0.62 kg, this hose is constructed from durable, heat-resistant materials. Choosing a genuine OEM coolant hose guarantees the correct internal diameter, pressure rating, and resistance to thermal cycling, preventing premature failure and ensuring a reliable, leak-free cooling system.