Genuine OEM Audi Engine Water Pump Gasket, part number 078121043A. This critical component seals the water pump to the engine block or housing, preventing coolant leaks and maintaining proper engine cooling system pressure. It is installed between the water pump and its mounting surface. Weighing only 0.0053 kg and very thin, this gasket is made from high-quality, heat-resistant sealing material. Choosing genuine OEM ensures precise dimensions and material composition for a reliable, leak-free seal, essential for engine longevity.