OEM Replacement HID Xenon Ballast Controller 8R0-907-472
OEM Replacement HID Xenon Ballast Controller 8R0-907-472
  • Model: 8R0-907-472B-BLST


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Replacement ballast for models with OEM xenon from the factory (HID Package).

Replaces the following part numbers:


Audi Part#: 8R0-907-472A

Audi Part#: 8R0-907-472B

Koito 10055-17078 535037806 LEAR LED Module

8R0 907 472, 8R0 907 472 B, 8R0907472C


Known to fit the following vehicles:


Q5 2011-2012


Common Questions:

If my vehicle does not have HID from the factory (Xenon), will this fit my vehicle?

No, these ballasts are OEM replacement ballasts for vehicles with HID lighting from the factory. On some models that is an upgrade. If you have the base model with regular halogen bulbs, you can buy an HID kit for a lighting upgrade.

How do I know if my original ballast is bad?

Sometimes it's difficult to know if you have a bad bulb or a bad ballast. The best way is to swap parts from the working side. Example, move your bulb from your working side to the side not working, if that side still does not work, most likely you have a bad ballast. Another way is to move the bulb from the non-working side to the working side and see the result.

What is the warranty?

If installed by an automotive professional, we warranty the product for 1-Year from the purchase date. Customer is responsible for shipping.

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