The Corteco Brake Hydraulic Hose - 49378451 is a high-quality replacement part for the brake system of a vehicle. It is designed to transfer hydraulic fluid from the master cylinder to the brake calipers, allowing for proper braking function. This hose is made from durable materials and is designed to withstand high pressure and extreme temperatures. It is an essential component for maintaining the safety and performance of a vehicle's braking system.