Genuine OEM Volkswagen Brake Servo, part number 1J2614106D. This component assists the driver in applying the brakes by multiplying the force applied to the brake pedal. It is located in the brake system, connecting the pedal assembly to the master cylinder. The servo typically uses vacuum assistance to reduce the effort required to brake. Genuine OEM brake servos are precisely calibrated for optimal performance and safety, ensuring consistent braking assistance.