Genuine OEM Audi Engine Coolant Hose, part number 4M0145910J. This molded hose is designed to transport coolant between various engine components, contributing to the efficient thermal management of the engine. It is a short, curved hose, weighing approximately 0.0715 kg. Opting for a genuine OEM coolant hose ensures precise fitment, correct material composition for resistance to heat and pressure, and long-term durability, which is essential for preventing leaks and maintaining the integrity of the cooling system.