Genuine OEM Audi Brake Line, part number 5QK614740A. This brake line is responsible for transferring hydraulic fluid from the master cylinder to the rest of the braking system. It is located in the engine bay, connecting the master cylinder assembly to the main hydraulic lines. Constructed from durable materials to withstand brake fluid pressure and environmental exposure. Genuine OEM brake lines are manufactured to exact specifications for proper fit and function, ensuring consistent braking performance and safety.