Genuine OEM Audi Brake Master Cylinder, part number 7L8611019F. This essential component is responsible for converting the mechanical force from the brake pedal into hydraulic pressure, which then actuates the vehicle's braking system. It is specifically configured for Left-Hand Drive (LHD) vehicles. Constructed from durable aluminum, it weighs approximately 0.655 kg. Opting for a genuine OEM brake master cylinder ensures factory-specified tolerances and material quality, critical for consistent and reliable braking performance.