Company installed ordinary belts in 2001 and D4EA engines proved their efficiency. First thing to look at is 105 number of teeth and also important width of 22 mm. You’ll though need exact dimensions of it in 2.0 engine for Elantra. Also look at profile type – it’s HTDA, gap division should be 9.525 N/mm. Wise decision is to buy Hyundai’s factory timing belt for Elantra 2.0 to service. For any car including Hyundai Elantra timing belt is the most important part for gas grid.
You also will have problems in achieving 9.525 N/mm gap division with different from HTDA toothed belt type. In any case go to other than 25.4 mm wide belt for G4EC motor code. The vital need for 2002 Hyundai Elantra service is to purchase high quality parts. Actually, there are plenty of analog parts for Hyundai Elantra with 2.0 engine.