HID Xenon Headlight Ballast - Control Unit Module - Replaces 307 329 115, 8e0 907 391b, 1307 329 098 - Compatible with Audi, Cadillac & More - A4, S4, RS4, A3, DTS, MKX, 9-7x, C300
- Replacement HID OR Xenon Ballast - is responsible for supplying power to your headlight's bulb. Overtime your HID Ballast can fail resulting in a headlight that flickers or does not turn on at all. Every ballast is designed to connect directly to your vehicle and requires NO programming or coding.
- Compatible Replacement for Audi, Cadillac DTS, Lincoln, Saab, Saturn & Volvo S40 Vehicles - 2008 - 2009 A4, S4 Cabrio | 2005 - 2008 S4, A4, RS4 Saloon & Wagon | 2006 - 2008 DTS | 2008 MKX | & more. See below for the full vehicle list. This WILL NOT FIT models that have AFS or Curved Lighting.
- Replaces Part#307 329 115, 8e0 907 391 b, 1 307 329 098 - Each of your vehicle’s headlights has its own ballast. These ballasts are commonly mounted either on the back or on the bottom of the headlights. While the HID Xenon Ballasts do commonly fail so can your factory headlight bulb.
- OEM Fit, Quality, Finish - This AA Ignition HID Xenon Ballast is a direct replacement for the ballast on popular A4, S4, RS4, DTS, MKX, C350, Outlook, or S40 vehicles including models with years 04, 05, 06, 07, 08, 09, 10, 11.
- Lifetime Warranty - This HID Xenon Ballast comes complete with a lifetime warranty. If the ballast ever fails simply contact us for a replacement. Please make sure that the part you are replacing looks exactly like the one pictured. Save hundreds off of dealer prices by replacing the part yourself. See our website for full details.
The HID or Xenon Ballast in your Audi, Mercedes-Benz, Saab, Cadillac, Lincoln, Saturn or Volvo vehicle is responsible for supplying power to your headlight’s bulb. Overtime your HID Ballast can fail resulting in a headlight that flickers or does not turn on at all. This AA Ignition HID Xenon Ballast is a direct replacement for the ballast on your Audi, Saab, Cadillac, Lincoln, Saturn or Volvo vehicle. Every ballast is designed to connect directly to your vehicle and requires NO programming or coding.
Each of your vehicle’s headlights has its own ballast. These ballasts are commonly mounted either on the back or on the bottom of the headlight. While the HID Xenon Ballasts do commonly fail so can your factory headlight bulb. Please see our procedure below to determine if your factory HID Xenon Ballast has failed or if you simply need to replace your headlight bulb.
Please make sure that the part you are replacing looks exactly like the one pictured.
This WILL NOT FIT models that have AFS or Curved Lighting.
- 2008-2009 Audi A4 Cabrio w/o Curve Lighting
- 2008-2009 Audi S4 Cabrio w/o Curve Lighting
- 2005-2008 Audi S4 Saloon w/o Curve Lighting
- 2005-2008 Audi S4 Wagon w/o Curve Lighting
- 2005-2008 Audi A4 Saloon w/o Curve Lighting
- 2005-2008 Audi A4 Wagon w/o Curve Lighting
- 2005-2008 Audi RS4 Saloon w/o Curve Lighting
- 2005-2008 Audi RS4 Wagon w/o Curve Lighting
- 2006-2008 Cadillac DTS
- 2008 Lincoln MKX
- 2006-2008 Saab 9-7X
- 2007-2008 Saturn Outlook
- 2004-2006 Volvo S40
Bulb Out Warning Light On?
The bulb out warning light on your instrument cluster can signal that there is a problem with your headlights. While sometimes a bad headlight bulb can be to blame, it can also be a bad HID ballast. Follow our instructions below to confirm if your HID ballast is bad.
Replaces part numbers:
- 307 329 115
- 8E0 907 391 B
- 1 307 329 098
Fix Your Headlights for a Fraction of the Cost!
The headlights are an essential part of your vehicle and are a neccessity for driving at night. Driving with a headlight out is not only dangerous but it's also against the law.
This AA Ignition replacement HID Ballast is a direct replacement for your car's factory HID ballast and will restore your headlights function.
Diagnosing a Bad HID Ballast!
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Remove the Headlight Bulbs!If you just noticed that your headlight is out, open your hood and access the headlight bulb through the access port in the back |
Inspect the Headlight Bulbs!Remove the headlight bulb and inspect it for any discoloration or cracks. A good headlight bulb will look like the one pictured above. |
Replace the HID Ballast!If the same headlight still does not light up replace your HID Ballast. |
Experience the AA Ignition Difference!
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ASE Certified TechniciansInstalling parts on you vehicle can be difficult and we understand. That's why we have certified technicians on staff to assist you with installation or even properly diagnosing your car. Our technicians will even provide the factory repair manual to make installation easier for you. |
Strict Quality ControlAll of our HID Ballasts undergo strict quality control not just before shipping but throughout the production process. During each step of production multiple quality control checks are performed to insure each and every part lasts for years to come. Satisfaction Guaranteed. |
An American BusinessAA Ignition is a division of GWA Auto Parts and we are proud to be an American Small Business. Located in sunny South Florida and founded by long time car enthusiasts, AA Ignition takes pride in providing quality products at an exceptional value. |
This is a compatible replacement part manufactured by AA Ignition. This HID Ballast is NOT a genuine Audi, Mercedes-Benz, Saab, Cadillac, Lincoln, Saturn or Volvo part. Audi, Mercedes-Benz, Saab, Cadillac, Lincoln, Saturn, Volvo and their associated vehicle models are registered trademarks of their respective owners. These trademarks and part numbers are used in this listing only to identify the vehicles this HID Ballast fits. AA Ignition is a registered trade mark of GWA Auto Parts Inc.