Genuine OEM SEAT Brake Hose, part number 5QH614723D. This flexible hose is a crucial part of the hydraulic braking system, connecting rigid brake lines to the moving parts of the wheel assembly, such as the brake caliper. It is designed to absorb vibration and allow for suspension movement while maintaining brake pressure. Genuine OEM brake hoses are built with specific materials to ensure durability, resistance to heat and abrasion, and proper flexibility for safe operation.