Genuine OEM Audi Engine Coolant Hose, part number 4N0121057D. This hose is designed to convey coolant throughout the engine cooling system, playing a critical role in maintaining optimal operating temperatures. It is a long, molded rubber hose with specific bends for precise routing. The durable, heat-resistant material and exact dimensions of this genuine OEM hose ensure a perfect, leak-free connection and reliable performance, crucial for the longevity and efficiency of the cooling system.

Catalogue entry: HOSE.