Genuine OEM Audi Engine Coolant Pipe Seal, part number 06M121488A. This O-ring seal is designed to provide a secure, leak-proof connection for engine coolant pipes, preventing coolant loss and ensuring the efficient operation of the engine cooling system. A reliable seal is crucial for maintaining optimal engine temperature. Made from durable, heat-resistant rubber, this seal measures approximately 2 cm in diameter. Using genuine OEM seals guarantees precise fitment and material quality, essential for preventing coolant leaks and protecting engine components.