Genuine OEM 2003-2007 Cadillac SRX / Cadillac CTS Xenon Headlight HID Ballast(Xenon Light Control Unit) Computer Will fit both driver and passenger side headlights.

PLEASE NOTE "the 03-07 Cadillac SRX and CTS use 2 type ballasts. one with 4 pins power cord and other one use 12 pins power, Please make sure this is the same ballast as the one in your car.

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.