It really just depends on if the light has bulb style LED light bulb or if it's hardwired into the casing. If it's a simple bulb like part # DI86VR you could pull it out and replace it. The # DI86VR is designed to replace 194, 906, and 921 bulbs. If the LED panel is hardwired like the Optronics 12V LED RV Dome Light # RVILL33 you were looking at then you'd have to replace the entire light. view full answer...