Philips Ultinun HID Headlight D4S 6000K 42402WXX2 Bulb is a high quality HID bulb used by car maker worldwide. Direct Replacement for your OEM HID D4S application. Philips 6000k D4S HID Bulbs are manufactured in Germany to meet stringent OEM standards. Philips 4300k D4S bulbs are designed to work with any D4S style ballast and headlight. D4S HID bulbs are commonly used in OEM HID headlights that utilize projector housings. You will not be able to use this bulb in an aftermarket HID kit or halogen headlight housings. If you are looking to upgrade your halogen headlights to HID you need to purchase an HID kit. The 6000K bulb is rated at approximately 2500 lumens for maximum light output. If you are only replacing one HID bulb on your vehicle you may want to consider replacing both to ensure that they match in color output. High quality quartz glass Resistant to thermal shock Anti-UV coating. High pressure resistant Powerful light, long life, limited damage to heradlamp unit Brightness up to 2500lm Color Temperature 6000K