1.4 LITER. Coolant hose. outlet. PartQualifier: outlet. A line that carries Coolant from the engine through the turbocharger and back into the engine. Hoses carries permanent Coolant, or antifreeze, throughout the engine, heater, and radiator. Engine Hose. Pipe Assembly - TURBO Cooling Return. Turbocharger Line. Water retrn tube.