Genuine OEM Volkswagen Coolant Circuit Heater Gasket Set, part number 7E0898020. This gasket set is essential for sealing various connections within the auxiliary heater's coolant circuit, preventing fluid leaks and maintaining system pressure. It is installed within the auxiliary heater assembly, ensuring a tight seal for its components. The set weighs 0.108 kg and includes multiple gaskets and O-rings designed for specific sealing points. Using genuine OEM gaskets guarantees precise dimensions and material resistance to coolant, crucial for preventing leaks and ensuring the long-term reliability of the heating system.