NORDYO Xenon HID Headlight Ballast Control Unit Module +Wire 8K0941597B Fit For Q7 Fit For VW Jetta D3S D3R D4S D4R(8k0941597B-Red)

Fitment: For Q7 For VW Jetta D3S D3R D4S D4R Compatible part number: 8K0941597B Hid Headlight Ballast Replacement: Headlight Control Unit, a crucial part of HID lighting system, provides the voltage needed to start the lamp and regulates the electrical current of the light once it is lit. A failed ballast will cause your bulb to burn.Replacement headlights ballast is a perfect solution High Performance : The headlight constructed of premium aluminum for a long lasting durability, the built-in high pressure bag for more reliability and safety, 100% tested before shipping. Easy to install: Just plug-and-play installation! No warning error code and bulb-out warning message appears after installation of this xenon HID ballast control unit, you can install with confidence! Quality service: If you have any questions about ballast headlight unit, please contact us by email. Our professional customer service team will answer and solve your problems in time.