Genuine OEM Jaguar Power Brake Booster, part number C2C35763. This crucial component amplifies the force applied by the driver to the brake pedal, significantly reducing the effort required to achieve effective braking. It is an integral part of the vehicle's hydraulic braking system. Weighing approximately 4.48 kg, a genuine OEM brake booster ensures precise vacuum assistance, reliable pressure amplification, and seamless integration with the master cylinder for consistent and safe braking performance.