Genuine OEM Audi Vacuum Reservoir, part number 07L131541A. This component is designed to store vacuum pressure, providing a stable and readily available vacuum supply for various engine and vehicle systems. It ensures consistent operation of vacuum-actuated components, such as brake boosters or emission control valves. The reservoir is a compact unit, measuring approximately 0.24 meters in length and weighing 0.454 kg. Choosing a genuine OEM vacuum reservoir guarantees the correct internal volume, pressure retention capabilities, and durable construction for long-term reliability within the vehicle's vacuum system.