Philips D4R Xenon HID Headlight Bulb, Pack of 2 Pair of D4R 6000K OEM Xenon HID: State-of-the-Art Lighting Technology Highest Light Output Cool White Color - Designed for Vehicles with Factory D4R Xenon. Please check your factory bulb size before ordering. Precise Light Distribution (This version will give off cool white vs regular white of OEM bulbs) Brilliant "Cool" White Light that is more blue than regular 4000-4300K OEM Part # 42406 (For Reflector type headlights) 35W, MADE IN GERMANY The Philips 4300K D4R XenEco is OEM on many high end cars such as BMW, MERCEDES-BENZ, Toyota, Lexus , ACURA, AUDI, and many others that use D4R bulbs