Dorman 601-698 High Intensity Discharge (HID) Lighting Ballast - Left

Dorman 601-698 HID Ballast for Audi LED Headlights

Dorman 601-698 is a high-intensity discharge lighting ballast built to match the fit and performance of the original unit on specified vehicles. It restores proper headlight operation for the left-side in-headlamp LED unit with directional beam on select Audi Q5 and Audi SQ5 models.

• Direct replacement for the original HID lighting ballast
• Mounts in the headlamp assembly for a clean OE-style layout
• Aluminum cast housing with a silver finish
• Water-resistant construction for exterior lighting environments
• Adapter-style connector with 5-pin terminal design
• Electronic component replacement type: complete control module
• Interchange reference: 8R0941475B

Detailed Product Overview

This Dorman 601-698 ballast is engineered for the left headlamp position on 2013-2017 Audi Q5 and 2014-2017 Audi SQ5 applications equipped with an LED unit and directional beam. It is designed to restore proper headlight function when the original ballast fails, helping return the lighting system to normal operation without changing the overall headlamp assembly. The cast aluminum housing, in-headlamp mounting design, and water-resistant construction support reliable service in exterior lighting use. For shoppers searching for a 2013-2017 Audi Q5 left HID ballast or a 2014-2017 Audi SQ5 left headlight control module, this part number 601-698 is the relevant OE-style replacement.

This part cross-references 8R0941475B for the same application.

What It Helps Fix

• Left headlight not powering on
• Intermittent HID or LED headlamp operation
• Faulty ballast or control module communication
• Dim, unstable, or nonfunctional directional beam output
• Headlamp warning concerns caused by ballast failure

Installation Notes and Tips

Install in the in-headlamp mounting position on the left side only. Verify the vehicle uses the specified LED unit with directional beam before ordering. The unit uses one adapter connector with a female pin-style terminal interface and does not include a wiring harness or installation hardware. Confirm connector condition and headlamp sealing surfaces during replacement to help maintain water resistance.

Quality Assurance

Dorman designs this ballast to match the fit and performance of the original component on the listed Audi applications. The aluminum housing and complete control module replacement format support a service-level repair for the factory lighting system.