AC line. front w/o 4S. PartQualifier: condenser to compressor front w/o 4S. A/C Condenser to A/C Condenser. A/C Refrigerant Discharge Hose. A/C Refrigerant Liquid Hose. Condenser to Condenser. AC tube. Air Conditioning (A/C) Refrigerant Liquid. AS. Connector tube. Discharge. Inlet pipe.