Genuine OEM Audi Engine Connecting Pipe Seal, part number 057131816B. This small but vital component creates a secure, leak-free connection for various engine pipes, often found within the exhaust gas recirculation (EGR) system or turbocharger intake. Its function is to prevent the escape of gases or entry of unmetered air, maintaining system efficiency. Weighing only 0.007 kg, this seal is manufactured to precise specifications. Using a genuine OEM seal guarantees the correct heat and chemical resistance, crucial for maintaining the integrity of high-temperature or high-pressure engine systems.