Genuine OEM Volkswagen Seal, part number 3C0121345AT. This seal creates a barrier to prevent leaks of fluids such as coolant or oil. It is located in the radiator assembly. The seal is made of rubber and has dimensions of 0.575m x 0.052m x 0.025m. Genuine OEM seals are critical for maintaining fluid integrity and preventing leaks, ensuring optimal engine cooling system performance.