Genuine OEM Volkswagen Power Steering Fluid Reservoir, part number 2H0422371B. This component is designed to hold the power steering fluid, which is vital for the hydraulic power steering system's operation. It is typically located within the engine bay, connected to the power steering pump and lines. Weighing approximately 0.233 kg and measuring 100x100x170mm, this reservoir is constructed from durable plastic. Using a genuine OEM reservoir ensures proper fluid containment, correct hose connections, and resistance to heat and chemical degradation, maintaining the integrity of the power steering system.