Genuine OEM Audi A/C Refrigerant Hose, part number 4F0260707AC. This essential component is responsible for carrying refrigerant throughout the vehicle's air conditioning system, facilitating heat exchange for cabin cooling. It is a flexible hose, approximately 0.55 meters in length and weighing about 0.37 kg. Using a genuine OEM refrigerant hose ensures correct routing geometry, proper sealing, and resistance to the specific pressures and chemicals of the A/C system, preventing leaks and maintaining system integrity.