W3T19371 Xenon Headlight Ballast with Igniter D2S Bulb Replacement for Acura TL TL-S TSX ILX ZDX RDX Honda CR-Z Odyssey Mazda CX-5 CX-9 Mitsubishi Outlander Lancer Evolution

If your vehicle’s xenon headlights are flickering, dimming, or failing to ignite, the culprit is often a worn-out ballast or igniter. The W3T19371 Xenon Headlight Ballast offers a direct replacement solution for multiple Honda, Acura, Mazda, and Mitsubishi models. This OEM-equivalent component restores your HID lighting system to factory performance without the dealership price tag.

This ballast works with D2S bulbs and includes an integrated igniter, eliminating the need to purchase separate components. It’s engineered to match the specifications of original equipment, ensuring proper voltage regulation and bulb longevity. The unit fits seamlessly into existing mounting points on compatible vehicles including Acura TL, TSX, ILX, ZDX, and RDX models, as well as Honda CR-Z and Odyssey, Mazda CX-5 and CX-9, and Mitsubishi Outlander and Lancer Evolution.

Who Is This For?

This replacement ballast is ideal for owners of the listed vehicle models experiencing headlight issues. If you’ve noticed one headlight working while the other doesn’t, or if your lights take several seconds to warm up and reach full brightness, you likely need a ballast replacement. DIY mechanics will appreciate the straightforward installation that typically requires basic tools and about 30 minutes per side. It’s also perfect for those who want to avoid expensive dealer service appointments while maintaining safe nighttime visibility.

Bottom Line

The W3T19371 ballast delivers reliable xenon headlight restoration at a fraction of dealer replacement costs. While it requires some mechanical aptitude to install, the direct-fit design makes the job manageable for most car owners. If your vehicle is on the compatibility list and you’re dealing with HID headlight problems, this ballast offers a practical repair solution that gets you back to safe nighttime driving without breaking the bank.

If your vehicle’s xenon headlights are flickering, dimming, or failing to ignite, the culprit is often a faulty ballast. The W3T19371 Xenon Headlight Ballast offers a direct replacement solution for multiple Honda, Acura, Mazda, and Mitsubishi models. This OEM-equivalent component restores your HID lighting system to factory performance without the dealership price tag.

This ballast works with D2S bulbs and includes an integrated igniter, eliminating the need to purchase separate components. It’s engineered to match the specifications of original equipment, ensuring proper voltage regulation and bulb longevity. The unit fits seamlessly into your existing mounting points, making installation straightforward for those comfortable with basic automotive electrical work. Compatible vehicles include Acura TL, TL-S, TSX, ILX, ZDX, and RDX models, Honda CR-Z and Odyssey, Mazda CX-5 and CX-9, plus Mitsubishi Outlander and Lancer Evolution.

Who Is This For?

This ballast is ideal for drivers experiencing HID headlight problems who want to avoid expensive dealership repairs. If you’ve already replaced your bulbs but still have lighting issues, the ballast is the next logical troubleshooting step. DIY mechanics will appreciate the plug-and-play design, though professional installation is recommended if you’re unfamiliar with high-voltage automotive systems. It’s also a smart choice for anyone maintaining an older vehicle where xenon components are starting to age out.

Bottom Line

The W3T19371 provides a cost-effective way to restore your vehicle’s xenon headlight system. While it may not carry a premium brand name, it delivers the core functionality needed to get your lights working again. For the price difference compared to OEM parts, it represents solid value for drivers facing ballast failure. Just verify your vehicle’s compatibility and existing bulb type before ordering to ensure a proper fit.