For the 2009–2014 Kia Sorento, genuine OEM headlight bulbs include options like the H7 halogen bulb (12V 55W) for low/high beams and the W5W (12V 5W) for parking lights, with part numbers such as 1864755007L and 1864305009L. Aftermarket LED upgrades are also available, offering brighter, whiter lighting (e.g., 6000K Xenon white) for improved visibility, with compatibility varying by trim (e.g., LX, EX, SX).