For Kia cooling system parts of 2003 year of production better don’t repair the radiator. There is a certain coolant temperature for 2010 cars having 2.2 motor inside. Other sizes won’t suit Kia Sorento 2.5 correctly. For changing this part in Sorento buy only factory size: 470 mm of height, 640 mm of width and 18 mm of depth. Normal radiator work is needed in Kia Sorento for optimal output.
Make sure you have Kia cooling system investigated, for 2006 cars it’s vital. So, with problems of engine cooling in 2004 Kia Sorento better buy factory sized radiator: 470 mmX640 mmX18 mm (height, width, depth). A lot of owners of Sorento 3.5 with G6CU codes of motor need to replace radiator.