D4S D4R HID Xenon Ballast Fit DDLT004 Unit For Toyota Lexus

D4S D4R HID Xenon Ballast for Toyota and Lexus

This D4S D4R HID Xenon ballast for Toyota and Lexus regulates the electrical current to high-intensity discharge headlight bulbs, citing OEM cross-reference DDLT004.

Overview

This D4S D4R HID Xenon ballast provides the ignition voltage and stable current required for high-intensity discharge automotive headlights. Built to replace failing factory control units, this D4S D4R HID Xenon ballast resolves flickering, dimming, or non-functioning headlights. It is an essential component for motorists and auto technicians restoring reliable nighttime road illumination.

Built For Performance

• Engineered with micro-electronic components for rapid light ignition
• Aluminum casing provides superior heat dissipation and shock resistance
• Internal moisture protection seals delicate circuits from environmental exposure
• Direct plug-and-play connection to factory harness connectors

Fits These Machines

• for Toyota models requiring DDLT004 ballast
• for Lexus models requiring DDLT004 ballast

On-The-Job Use

• Replacing failed headlight control modules during vehicle electrical repairs
• Restoring full brightness to dim or flickering high-intensity discharge lamps
• Ensuring reliable headlight ignition during cold-weather starting conditions

Specs At A Glance

Good To Know

Q: What are the signs of a failing headlight ballast? A: If your bulb flickers, takes a long time to warm up, or does not turn on at all despite a new bulb installation, the ballast is likely failing.

Q: Does this module require reprogramming after installation? A: No, this unit is designed as a direct physical and electronic replacement and does not require software updates.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.