Replacement for Acura Mazda Mitsubishi Xenon HID Ballast Headlight Control Unit Assembly Module Replaces W3T19371, W3T15671 and W3T13072

If your Acura, Mazda, or Mitsubishi’s xenon headlights are flickering, dimming, or completely out, the problem is likely a failed HID ballast. This replacement control unit restores your factory xenon lighting system without the dealership price tag. It’s a direct replacement for OEM part numbers W3T19371, W3T15671, and W3T13072, giving you reliable performance at a fraction of the cost.

The ballast is the brain of your HID system, regulating voltage to ignite and maintain the xenon bulbs. When it fails, you’re left with poor visibility and potential safety issues during night driving. This replacement unit is built to OEM specifications, ensuring proper fitment and electrical compatibility with your vehicle’s lighting system. Installation typically takes 30-45 minutes with basic tools, though some models may require bumper removal for access.

Who Is This For?

This ballast is ideal for owners of Acura, Mazda, and Mitsubishi vehicles equipped with factory xenon HID headlights who are experiencing lighting failures. If you’ve already replaced your HID bulbs but still have issues, the ballast is the next logical component to check. It’s also perfect for DIY mechanics looking to save hundreds compared to dealership repair costs. Before purchasing, verify your vehicle uses one of the compatible part numbers listed, as HID systems vary by model year and trim level.

Bottom Line

A failed HID ballast doesn’t mean you need to abandon your factory xenon system or pay dealership prices for repairs. This replacement unit offers a cost-effective solution that restores your headlights to full brightness and reliability. While installation requires some mechanical ability, the savings make it worthwhile for most DIYers. Just confirm compatibility with your specific vehicle before ordering to ensure a proper fit.

If your Acura, Mazda, or Mitsubishi’s HID headlights are flickering, dimming, or completely out, the problem is likely a failed ballast control unit. This direct replacement ballast restores your xenon headlights to full brightness without the dealership price tag. It’s engineered to match OEM specifications for W3T19371, W3T15671, and W3T13072 part numbers, making installation straightforward for anyone comfortable with basic automotive electrical work.

The ballast is the brain of your HID lighting system, regulating voltage to ignite and maintain the xenon arc. When it fails, you’re left with unsafe nighttime visibility and potential inspection failures. This replacement unit delivers the same reliable performance as the original equipment, with proper voltage regulation and thermal management to prevent premature burnout. You’ll get consistent light output and color temperature that matches your remaining headlight.

Who Is This For?

This ballast is perfect for DIY mechanics and car owners who want to fix their HID headlight issues without paying for expensive dealer service. If you’ve confirmed your ballast is the problem (not the bulb or wiring), and your vehicle uses one of the compatible part numbers, this is your solution. It’s also ideal for anyone who’s received a failed inspection due to non-functioning headlights or wants to restore proper nighttime visibility before the problem becomes a safety hazard.

Bottom Line

A failed HID ballast doesn’t mean you need a complete headlight assembly replacement. This direct-fit control unit gets your xenon lights working again at a fraction of dealer costs. You’ll restore full brightness, pass inspection, and drive safely at night. Just verify your current part number matches one of the three compatible versions before ordering.