Genuine OEM Volkswagen Rear Crankcase Sealing Flange, part number 059103171DD. This component provides a vital seal for the crankcase housing at the rear of the engine, preventing oil leaks and maintaining internal engine pressure. Weighing 3.411 kg and measuring 0.452m x 0.46m x 0.056m, it is engineered for precise fitment. Using a genuine OEM sealing flange ensures the correct material composition and dimensional accuracy, critical for maintaining engine integrity and preventing costly oil leaks.