Upgrade your vehicle's headlights with these top-of-the-line Osram D4S 6000K Cool Blue Advance HID Xenon bulbs. These bulbs offer up to 6000K light color and color temperature, giving you a brighter and cooler light output. With a voltage of 42V and a wattage of 35W, these bulbs are suitable for headlights and provide superior performance.

The manufacturer part number 66440CBA ensures that you are getting a quality product made in Germany. These bulbs come in a set of two and are designed to fit perfectly with D4S bulb fitment code. With lighting technology of HID, these bulbs are a must-have for any car enthusiast looking to upgrade their vehicle's lighting.