Standard Ignition HID129 High Intensity Discharge (HID) Lighting Ballast

HID Ballast for Audi Low Beam Headlights

Standard Ignition HID129 is a high intensity discharge lighting ballast for exterior headlight systems. It is built with a female connector, two terminals, male pin terminals, and a direct electrical layout for service on select Audi HID headlamp applications.

Key Features

• High Intensity Discharge (HID) lighting ballast for headlight use
• Female connector with 2 connector positions
• Male pin terminals with 2 terminal positions
• Direct-fit electrical component for HID headlamp service
• Brand: Standard Ignition
• Part number: HID129

Application Details

Compatible with 2012-2014 Audi A7 Quattro low beam headlight applications, 2013 Audi S7 low beam headlight applications, and 2014 Audi RS7 HID lighting ballast applications. This Standard Ignition HID129 ballast is also cross-referenced to 4G0907472 and HDB129 for the same application. Use HID129 when servicing Audi A7 Quattro, Audi S7, or Audi RS7 headlight systems that require a replacement HID ballast.

What This Part Helps Address

• Low beam HID headlight not illuminating
• Intermittent headlight output on one side
• Flickering or unstable HID lamp operation
• Ballast-related headlight failure codes
• Loss of proper HID ignition in the headlamp assembly

Installation Notes and Tips

Verify the original ballast connector style, terminal count, and OE part number before installation. Confirm the vehicle uses HID low beam headlight equipment and match the application to the exact model year listed for Audi A7 Quattro, S7, or RS7. Inspect the headlamp housing and electrical connectors for corrosion, heat damage, or moisture intrusion before replacing the ballast.

Quality Assurance

Standard Ignition supplies electrical replacement parts for OE-style service applications. HID129 is built to match the listed connector and terminal configuration for the specified Audi HID headlight applications.