Genuine OEM Volkswagen Crankcase Housing, part number 04L103011S. This component forms the main structural part of the engine, housing the crankshaft and other internal engine parts. It is the primary block for the engine's rotating assembly. Weighing 44.733 kg, this housing is constructed for precise fit and long-term durability. Genuine OEM crankcase housings ensure exact tolerances for critical internal engine components, maintaining optimal performance and longevity.