Description: Auxiliary A/C. AuxIliary HVAC. Underbody A/C Refrigerant Suction Hose Assy.. Incl.Underbody A/C Refrigerant Liquid Hose. Incl.HVAC Heater Hose Assembly. Helps repair leaking A/C system Helps restore A/C Function This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type