Genuine OEM Audi Rear Crankshaft Seal Flange, part number 038103171S. This component provides a critical seal for the rear crankshaft area, preventing oil leaks from the engine. Positioned at the rear of the crankshaft, it ensures the integrity of the engine's lubrication system. Weighing 0.222 kg and measuring 0.165 m in length, this genuine OEM seal flange guarantees precise fitment, proper sealing characteristics, and durable material construction to prevent costly oil leaks and maintain engine health.