Dorman 601-127 High Intensity Discharge (HID) Lighting Ballast

Dorman HID Ballast for Acura and Honda

This Dorman high-intensity discharge lighting ballast restores proper headlight operation on select Acura and Honda vehicles. It is built to match the fit and performance of the original HID ballast, making it a direct replacement for common factory lighting failures.

• OE-style replacement HID ballast for exterior lighting systems
• Aluminum housing with silver finish
• Complete control module replacement type
• 2 connectors, 6 terminals, blade terminal type
• Direct-fit design for specified Acura TL and Honda S2000 applications
• Cross-reference: Honda 33119S2AJ01

Detailed Product Overview

Dorman part number 601-127 is a high-intensity discharge lighting ballast engineered for vehicles that use factory HID headlamps. It is designed to restore headlight function by replacing the original ballast with a unit that matches the OE fit and operating characteristics. This part number 601-127 is listed for 2004-2009 Honda S2000, 2002-2003 Acura TL, 2005 Acura TL, and 2004 Acura TL with projector type headlights. For buyers searching for a Honda S2000 HID ballast or Acura TL HID ballast replacement, this unit provides a direct application match.

The compact aluminum body measures 1.06 inches long, 3.56 inches wide, and 2.6 inches thick, with a silver finish and a complete control module replacement design. It uses blade terminals and two connectors for factory-style integration with the vehicle lighting system.

Common Problems This Part Can Address

• Headlight does not turn on
• Intermittent HID lamp operation
• One headlamp is dim or unstable
• Ballast-related warning or lighting fault symptoms
• Loss of proper HID headlight function after original module failure

Installation Notes and Tips

Verify the vehicle’s original ballast configuration and connector layout before installation. This part is listed for specific Acura TL and Honda S2000 applications, including 2004 Acura TL with projector type headlights. Confirm the headlamp assembly and factory HID setup match the vehicle fitment before replacing the module.

Quality Assurance

Dorman manufactures this ballast as an OE-style replacement component for specified vehicles, with fit and performance intended to align with the original HID module. Use the confirmed vehicle fitment to ensure the correct application for your Acura TL or Honda S2000.