#1. 4.2 LITER. PartQualifier: feed #1. W/O SUPERCHARGER. Water hose. A coolant hose that feeds coolant back to the overflow or recovery bottle in a closed loop cooling system. Evaporative Emissions System Lines. Hoses carries permanent coolant, or antifreeze, throughout the engine, heater, and radiator. Pipe that is part of the engine cooling system. Overflow. Pipe. Evaporative Emissions System Lines. Feed line. Inlet. Water.