2003-2009 Chevrolet C7500 Kodiak 7.2L 6 Cyl. 2003-2009 Chevrolet C7500 Kodiak 8.1L V8. 2003-2009 Chevrolet C7500 Kodiak 7.8L 6 Cyl. Notes: A/C Orifice Tube -- White Orifice Tube. The expansion valve/orifice tube is designed to slow the refrigerant before the evaporator.
