Genuine OEM Audi Coolant Hose, part number 4F0265356A. This hose is a critical component in the engine cooling system, designed to transport coolant efficiently throughout the engine to maintain optimal operating temperatures. Its specific curved shape ensures correct routing and connection within the cooling circuit. Manufactured from durable, heat-resistant materials, a genuine OEM coolant hose provides reliable performance and a leak-free seal, crucial for the longevity and efficiency of the cooling system.