Genuine OEM Cupra Brake Booster, part number 1EB614106AR. This component is crucial for amplifying the driver's input force to the braking system, significantly reducing the effort required to apply the brakes. It is typically mounted between the brake pedal and the master cylinder. The brake booster is a critical safety component that ensures effective and responsive braking. Genuine OEM brake boosters are manufactured to strict tolerances to ensure consistent performance and longevity.