Genuine OEM Audi A/C Refrigerant Hose, part number 8R0816743C. This hose is a critical component of the air conditioning system, responsible for safely transporting refrigerant between various A/C components. It connects to the A/C condenser and other refrigerant lines, forming part of the sealed system. Weighing approximately 0.34 kg, this hose is designed for flexibility and durability under pressure. Using a genuine OEM refrigerant hose ensures the correct routing geometry, material compatibility with refrigerant, and leak-free performance, which is vital for maintaining A/C system integrity.