Power your Audi's high intensity discharge headlights with the Standard Ignition HID Headlight Ballast, part number HID143. It is a direct-fit replacement for many Audi models, among them the 2012-2014 Audi A4 Quattro, 2012-2014 Audi A5 Quattro and 2011-2014 Audi A6 Quattro. See the "Vehicles it fits" section for the full list and engine-level details.
An HID ballast is the electronic control unit that supplies and regulates the power an HID headlight bulb needs to start and stay lit. Standard Ignition builds HID143 around these features:
Signs the ballast may need replacing include an HID headlight that flickers, cuts out intermittently, or fails to light. A worn bulb or a wiring fault can cause similar symptoms, so diagnose the cause before replacing the ballast.
Interchange: 4G0907697D · HDB143 · HID734 · 4G0907397D
This part cross-references / interchanges with the following part numbers:
Which vehicles does the Standard Ignition HID143 fit?
It is listed for many Audi models, including the 2012-2014 Audi A4 Quattro, 2012-2014 Audi A5 Quattro and 2011-2014 Audi A6 Quattro. See the "Vehicles it fits" section for the full list.
Does the HID143 ballast need reprogramming after installation?
No. Standard Ignition describes HID143 as a plug-and-play design, so no reprogramming is needed.
Is this HID ballast DOT-certified?
Yes. HID143 is DOT-certified to comply with Federal Motor Vehicle Safety Standards.
What does an HID headlight ballast do?
It supplies and regulates the electrical power an HID headlight bulb needs to start and stay lit.
What are signs that an HID ballast may need replacing?
Common signs include an HID headlight that flickers, cuts out intermittently, or will not light. A worn bulb or wiring fault can cause the same symptoms, so diagnose the cause first.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
