Genuine OEM Volkswagen Rear Wheel Brake Cylinder, part number 2Q0611053B. This cylinder applies hydraulic pressure to the brake shoes, converting fluid pressure into mechanical force to engage the drum brakes. It is positioned at the rear wheel assembly. Constructed from durable materials, it weighs approximately 0.125 kg. Choosing a genuine OEM wheel brake cylinder ensures precise hydraulic function, proper sealing, and long-term reliability for critical braking performance.