Genuine OEM Volkswagen Engine Water Box Seal, part number 2H0823737B. This seal is designed to create a watertight and airtight closure for the engine water box, preventing coolant leaks and ingress of contaminants. It is an essential component for maintaining the integrity of the cooling system. Weighing 0.424 kg, this seal is made from durable rubber compound engineered to withstand engine temperatures and coolant chemicals. Opting for a genuine OEM seal ensures precise dimensions, correct material properties, and long-lasting leak-free performance.