Genuine OEM Jaguar Main Brake Cylinder Screw, part number C2C35768. This essential fastener is designed to securely attach the brake fluid reservoir to the main brake cylinder, ensuring a leak-free and stable connection within the braking system. It is a small but critical component in the hydraulic brake assembly. Weighing 0.012 kg, this screw is manufactured to precise factory specifications for thread pitch and material strength, guaranteeing reliable performance and safety in a high-stress environment.