Genuine OEM Volkswagen Electromagnetic Brake Servo Unit, part number 12E614105L. This unit amplifies braking force, providing the necessary assistance to the brake pedal for effective deceleration. It is a critical component of the braking system, ensuring responsive and safe stopping power. The unit is mounted in the engine bay, connecting the brake pedal to the master cylinder. Genuine OEM parts ensure precise calibration and reliable performance, crucial for safety-critical systems like braking.