What is a D1S light?
OEM (factory installed) HID headlights have a D-series naming system. They are named using 3 characters, like ‘D4R’, ‘D1S’, where: ‘D’ means ‘Discharge’, number (1,2,3,4) is the type and the last letter is used to determine what kind of application the bulb is meant to be.
How many lumens is a D1S bulb?
3200 Lumens
Sylvania Automotive 39663 SYLVANIA D1S High Intensity Discharge (HID) Bulb, (Contains 1 Bulb)
MFG Code 39663 | Part Number BC9765 |
---|---|
12 volts | 3200 Lumens |
3000 hrs. | 4150 K |
0.98″ Bulb Diameter | 1.1″ Light Center Len |
3.3″ Max Overall Len |
Which xenon bulb is the brightest?

The brightest HID color temperature is 5000K, emitting perfectly white light. 4300K and 6000K will be just as bright but will have a very light tint of yellow (4300K) or blue (6000K).
What is the difference between D1S and D2S bulbs?
D1S has a square, integrated igniter base on the lamp, D2S uses a separate igniter.
Can xenon bulbs be replaced?
We’ve tested the light output of new versus four-year-old bulbs, and can see a significant drop in light output, and based on this and other tests, we are advising technicians to recommend replacing xenon HID bulbs every three year.

Can I use d3s instead of D1S?
Because of these differences, D1 and D3 bulbs cannot be interchanged UNLESS their ballasts are replaced with the corresponding bulbs (you cannot mix components from 2 systems together).
How do I change the bulb in my HID Xenon?
How to Replace Xenon Headlamps
- Turn off the headlamps and open the hood. Reach in behind the headlamp assembly and remove the rubber boot if it’s there.
- Remove the HID xenon bulb and its assembly from the light housing.
- Replace the HID xenon bulb and its assembly in reverse order.
Are all xenon bulbs HID?
1. HID is a type of light fixture that creates brighter light, and lasts longer, while Xenon is a subtype of HID that contains Xenon gas instead of the other alternatives. 2. Xenon lamps do not need to warm-up like other HID lights.
Can I replace d1s bulb with d3s?
Can I replace xenon with LED?
You can replace xenon lights with LEDs. Xenon light bulbs are a kind of incandescent light.
Is D1S same as D3S?
D1S and D3S Xenon HID bulbs: There are 2 main differences between D1 and D3 bulbs. First is the voltage required to operate the bulb: D1 bulbs operate at 85V while D3 bulbs operate at 42V. Secondly, D3 bulbs are newer more environmentally friendly versions of D1 bulbs; D3 bulbs are mercury free.
What is HID vs LED?
HID headlights are premium headlights used for their brightness and ability to last a long time. This type of headlight is ideal for driving at night. LED headlights are light-emitting diode headlights. They use semiconductors to transmit energy-emitting photons that create light.