Audi A4 S4 Xenon HID Head Light Lamp D2S D2R Valeo Ballast 73930912

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Audi A4 S4 Xenon HID Head Light Lamp D2S Valeo Ballast
Genuine OEM 1999-2001 Audi A4 S4 Xenon HID Headlight Ballast Computer(Xenon Light Control Unit) with ignitor (uilt-in igniter) You can choose an option to use with D2S, D2R bulb. If you have interest in this part and want to order, or want to know more details and price of it, email us directly: auto1999@gmail.com , In order to improve our communication efficiency, please let us know clearly the following details when you email us: 1. Where are you come from? ( With this information, we can calculate the shipping cost for you directly) 2. How many pcs of this part do you need? 3. The model of car of yours and the production year. If possible, it's better to attach a picture of the part you need to confirm with us. we will reply you timely (within 5-10 minite). We normally use express to do the shipment, 5-7 working days, the goods will arrive you. We have genuine Valeo 5GL D1S/D2S/D2R 4Pin ballast you can check it >>>> We have genuine Valeo 5G D1S/D2S/D2R 12Pin ballast you can check it >>>> We have genuine Valeo 5G D1S/D2S/D2R 12Pin ballast you can check it >>>>


2003-2005 Audi A4 S4 Xenon HID Light Ballast Control Unit
We already got a lot of emails from all over the world asking for this type of Audi A4 S4 old version ballast with number 73930912. But the actual situation is this type of ballast is very very hard to get . Now we have another solution to help car owners of Audi A4 S4 to solve their problems.
Here is the comparison picture of old version A4 S4 6PIN 73930912 ballast and 4PIN ballast, the size of them are exactly same with same installation holes.
In the procedure of changing the ballast, only need to connect "the input power plug of 4 pin ballast" to the "12V power plug of the original 6 pin ballast inside the headlamp" (Like picture shown black and yellow color power plug), then the 4 pin ballast can work in your car very well.
The original 6 PIN ballast installed in the OEM bracket of the headlamp.
Convert 4PIN ballast into the position of 6 PIN bracket （100% Match）
The front picture of the 6PIN ballast inside the OEM bracket
The front picture of the 4 PIN ballast inside the OEM bracket of 6 PIN ballast (Can find the size and installation holes are 100% match)
To replace 6PIN by 4PIN need these parts: 4PIN ballast, ignitor, D1S wires, 12V input power plugs
Valeo Xenon HID D1S D1R to D2S D2R OEM Converter Ignitors If you have a set D1S/D1R ballasts and want to use it for D2S/D2R bulbs. this is all you need. It will fit all D1S/D1R ballasts. This one will replace some Volvo Igniter.	Audi A4 S4 Volvo s40 s80 Xenon Headlight Ballast D1S Wire