Genuine OEM Volkswagen A/C Refrigerator Line O-Ring, part number 1EA959895A. This critical sealing component is designed to create a tight, leak-proof connection within the vehicle's air conditioning system, specifically for the refrigerant lines. Its function is to prevent the escape of refrigerant and moisture ingress, which is essential for the A/C system's efficiency and longevity. Weighing only 0.001 kg, this O-ring is a small but vital part. Using a genuine OEM O-ring ensures the correct material composition, precise dimensions, and resistance to refrigerant chemicals, preventing leaks and maintaining optimal A/C performance.