As an authorized Philips vendor were excited to carry the NEW D3S Philips Ultinon 6000K Bulbs
and D1S Philips Ultinon 6000K Bulbs
, these bulbs may look identical but the D3S is a mercury free version of the D1S bulb which many new vehicles use including the 2014 Jeep Grand Cherokee. More and more manufacturers are going with mercury free bulbs as they are better for the environment.
If you are not happy with your original 4300k D3S or D1S bulbs. 6000k D3S and D1S bulbs will provide you with the perfect compromise between color and light output.
D3S Philips Ultinon 6000K Bulb
D1S Philips Ultinon 6000K Bulb