Genuine OEM Audi Rear Left Brake Caliper with Servo Motor, part number 4G0615403F. This essential braking component is responsible for applying hydraulic pressure to the brake pads, clamping them against the rotor to slow or stop the vehicle. It is specifically designed for the rear left wheel assembly and includes an integrated servo motor for electronic parking brake functionality. Weighing approximately 3.459 kg, this caliper ensures precise fitment and optimal braking performance. Choosing a genuine OEM caliper guarantees factory-specified braking force, durability, and seamless integration with the vehicle's electronic braking systems.