OEM Chevrolet Uplander Saturn Relay Heater A/C Controls 2005-2009 - Nice General Motors OEM Temperature Control Unit Saturn RELAY 2005-2007. Chevy Uplander 2005-2009. With rear auxiliary AC (opt C69), heated seat (opt KA1), and front temperature (opt C60). Mfr Part Number: 15213241 / 25783271 Geniune OEM Part.