The Genuine VW / Audi Brake Hose Kit - 178012 is a comprehensive set of products designed for the maintenance and repair of a car's brake system. This kit includes three essential components: a brake hose, a brake line, and a brake fluid reservoir. The brake hose is a flexible tube that connects the brake caliper to the brake line, allowing for the transfer of brake fluid and the activation of the brakes. The brake line, also known as the brake pipe, is a rigid tube that carries brake fluid from the master cylinder to the brake caliper. The brake fluid reservoir stores the brake fluid and ensures a consistent supply to the brake system. This kit is specifically designed for use in VW and Audi vehicles, providing high-quality and genuine replacement parts for optimal performance and safety.