Genuine OEM Audi Crankshaft Main Bearing Shell, part number 079105561H. This precision-engineered component provides a crucial low-friction surface for the crankshaft to rotate smoothly within the engine block. It is a vital part of the engine's main bearing assembly, supporting the crankshaft under high loads. Weighing 0.039 kg, this genuine OEM bearing shell ensures factory tolerances and specific material alloys, critical for minimizing wear, reducing friction, and maintaining the long-term durability and performance of the engine.