GMPartsGiant.com offers the wholesale prices for genuine 2010 Pontiac G5 parts. Parts like A/C & Heater Control Assembly are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.2L. Model Code: 2 DOOR, 4 DOOR, SE 2 DOOR, SE 4 DOOR, SPORT 2 DOOR.