Dorman 601-091 High Intensity Discharge (HID) Lighting Ballast

Dorman HID Ballast for OE-Style Headlight Repair

Dorman 601-091 is a high-intensity discharge lighting ballast built to match the fit and performance of the original unit on select vehicles. It restores proper headlight function when the factory HID ballast fails, helping return consistent lighting output on BMW, Jeep, Land Rover, Volvo, Buick, GMC, and Dodge applications.

• OE-style replacement for HID headlight ballast failure
• Complete control module replacement type
• Aluminum body with silver finish
• Blade terminal design with 1 connector
• Direct-fit service part for specified HID lighting systems
• Part number 601-091 for application lookup and ordering

Detailed Product Overview

This Dorman HID ballast is engineered for vehicles using factory high-intensity discharge lighting, including select BMW 120i, 125i, 128i, 130i, 135i, and 135is models, as well as Jeep Compass, Patriot, Grand Cherokee, and Land Rover Range Rover and LR4 applications. It also fits select Volvo XC60, XC90, and S60 models, plus Buick Enclave, GMC Acadia, and Dodge Durango. The compact aluminum housing measures 3.75 inches long, 2.75 inches wide, and 0.75 inches thick for a service-friendly OE-style layout.

This part cross-references TechSmart R66074 and URO 63117180050 for the same application. Use part number 601-091 when verifying fitment for HID lighting repair on the listed vehicles.

Common Problems This Part Can Address

• Headlight not turning on after ballast failure
• Intermittent HID lamp operation
• Dim or unstable HID headlight output
• Loss of factory low-beam function on HID-equipped vehicles
• Fault codes related to ballast or igniter operation

Installation Notes and Tips

Confirm the original ballast part number and vehicle build details before installation, especially on Land Rover LR4 and Range Rover Sport models with VIN-specific coverage. This unit uses a single connector and blade terminal layout, and no wiring harness is included. Verify the HID system diagnosis before replacing the ballast so the lamp, igniter, and related wiring are checked as needed.

Quality Assurance

Dorman designs this HID lighting ballast as a direct replacement for the original component to restore factory headlight function on the specified applications. The part number 601-091 is intended for OE-style service replacement on the listed BMW, Jeep, Land Rover, Volvo, Buick, GMC, and Dodge vehicles.