Notes: A/C Refrigerant Liquid Hose -- Contains 3411884 Orifice Tube. 2007 GMC Sierra 3500 Classic 8.1L V8. 2007 GMC Sierra 3500 Classic 6.0L V8. Liquid Lines attach condenser to evaporator. Suction Hoses (low side) attach from the compressor to the evaporator.
