It’s better to choose original or recommended by Hyundai timing belt for Santa Fe 2.0. Buy only 28 mm wide parts and make sure they have 123 of teeth. In production belts with 8 N/mm gap division and STD type of profile were used. The size of it in Santa Fe engines with model code D4-EB is very important. For any car including Hyundai Santa Fe timing belt is the most important part for gas grid. In 2003 the producer used simple belts and G6BA motors were quite effective with it.
By installing other than HTDA type of profile belt you won’t get needed gap division of 9.525 N/mm. For 2.0 motor service in Hyundai Santa Fe you might buy lots of analog accessories. Check if your parts for service of 2006 Hyundai Santa Fe are of good quality. One important characteristic for G4JS motor belt is width of 29 mm.