Genuine OEM Volkswagen Evaporator Seal, part number 7L0820133. This critical seal is designed to prevent refrigerant leaks at the connection points of the evaporator within the vehicle's heating, ventilation, and air conditioning (HVAC) system. A proper seal is essential for maintaining system pressure and cooling efficiency. Measuring approximately 74mm long, it is made from durable, refrigerant-resistant material. Using a genuine OEM seal ensures exact dimensions and material compatibility, vital for preventing costly refrigerant loss and maintaining optimal HVAC performance.