Genuine OEM Audi Connecting Pipe Seal, part number 057131815B. This small, ribbed seal is designed to create a tight, leak-proof connection between various pipes, typically within the exhaust or exhaust gas recirculation (EGR) system. Its precise dimensions and material ensure an effective seal, preventing gas leaks and maintaining system efficiency. Weighing only 0.003 kg, this seal is crucial for proper system function. Using a genuine OEM seal guarantees the correct material properties and exact fitment, ensuring long-term sealing performance under high temperatures and pressures.