Both fan and heat sinks are equally beneficial with each having its own advantages. Since both kinds cater to different needs, it is impossible to call one best over the other. Generally, the best-LED headlight bulb cooling is one that caters most to both the driver and the vehicle. By driver, it comes down to various factors like the intensity you’re looking for, the time period for which you plan to use your headlights, and the places you will be driving through. It also depends on the driving conditions such as off-road, extreme weather, and snow. Meanwhile, when it comes to the vehicle, itdepends on the model, the overall clearance, the size of the bulb, and the waythe stock bulb is secured. The drawbacks and benefits of heat sinksand fans have been mentioned above so it all comes down to personal preferenceand use.