Genuine OEM Porsche Brake Booster, part number 95535592321. This essential component assists in boosting the braking force, providing a lighter and more responsive pedal feel. It works by using engine vacuum to multiply the force applied to the brake pedal, allowing for more effective stopping power. Manufactured to exact OEM specifications for a precise fit and reliable performance. Genuine OEM parts ensure the integrity and safety of your vehicle's braking system.