The Xenon Headlight Igniter regulates the flow of electrical voltage to operate the vehicle's headlight bulbs. The xenon igniter is responsible for increasing the bulbs ability to produce optimal lighting for excellent nighttime visibility. Additionally, our Xenon Headlight Igniters are affordable and ensures the easiest, cost savings alternative to replacing the entire headlight assembly. All Dorman products are engineered in the United States and backed by 100 years of automotive aftermarket experience. Our solutions are thoroughly tested and inspected, and if you experience any difficulty installing or using our parts, we have a dedicated technical support team of ASE Blue Seal certified professionals ready to help. To learn more about our quality and innovation, visit DormanProducts.com.