Standard Ignition HID131 High Intensity Discharge (HID) Lighting Ballast

HID Ballast for Audi HID Headlights

Standard Ignition HID131 is a high intensity discharge lighting ballast for factory HID headlight systems. It is built with a female connector, one connector interface, a male blade-and-pin terminal, and one terminal connection for direct replacement service on supported Audi applications.

Key Features

• High Intensity Discharge (HID) lighting ballast for exterior headlamp systems
• Female connector with 1 connector interface
• Male terminal with blade-and-pin terminal type
• Direct-fit electrical replacement for supported Audi HID headlight assemblies
• Standard Ignition HID131 part number for catalog matching and service lookup

Detailed Description

Standard Ignition HID131 is used in HID headlight systems to regulate ballast operation for the vehicle’s discharge lighting circuit. This part is listed for 2006-2007 Audi A3 with adaptive headlights, 2007 Audi A3 Quattro without adaptive headlights, 2006 Audi A3 Quattro, 2001-2006 Audi TT Quattro, 2001-2003 Audi A8 Quattro, and 2001-2003 Audi S8. If you are searching for an Audi A3 HID ballast replacement or a Standard Ignition HID131 for Audi TT Quattro, this part number is the catalog reference to verify against your original unit.

This part cross-references HDB131 and HID721 for the same application.

Common Problems This Part Can Address

• Headlight does not illuminate on HID-equipped Audi models
• Intermittent HID headlamp operation
• Ballast-related headlight flicker or shutdown
• Faults traced to the original HID lighting ballast
• Need for a replacement ballast with matching connector and terminal style

Installation Notes and Tips

Verify the original ballast part number, connector style, and headlamp configuration before installation. Confirm whether the vehicle uses adaptive headlights or a non-adaptive setup, since fitment notes vary by model and year. Inspect the headlight housing, wiring, and terminals for heat damage or corrosion before installing the replacement HID131 ballast.

Quality Assurance

Standard Ignition supplies electrical replacement parts for service applications, and HID131 is cataloged for direct fitment on the listed Audi vehicles. Match the part number and vehicle configuration to the original ballast to confirm correct application before service.