Genuine OEM Volkswagen Refrigerant Line, part number 7E0816744E. This line is responsible for transporting refrigerant throughout the air conditioning system, enabling efficient cooling and climate control. It is an integral part of the HVAC circuit. Constructed from durable metal and rubber components, weighing approximately 0.481 kg, this line is designed to withstand high pressures and temperatures. Using a genuine OEM refrigerant line ensures precise routing geometry and resistance to refrigerant chemicals, preventing leaks and maintaining optimal A/C performance.