Hoses are used in automobiles to move fluids around for use in cooling, lubrication, and/or hydraulics. Hoses are also used to convey pressure or vacuum signals to control circuits or gauges, as well as conveying vacuum to heating, cooling, brake, and/or locking systems. Hoses and Pipes are an important part of your car engine cooling system. They carry the coolant from the radiator to the engine, allowing the engine to remain at an appropriate temperature while you're driving. Pipes and hoses are components of a vehicle's hydraulic systems. They transport working fluid from unit to unit. These parts also are wont to supply air and carry gases away. They are widely utilized in the air inlet, crankcase ventilation, and fuel tank systems