Xenon Ballast Compatible With VW For Passat For Scirocco For Phaeton 89034934 4L0907391 Xenon H-ID Headlight Ballast Unit Controller Module

Car headlight H-ID ballast: In daily driving, ensure the stable operation of car headlights and obtain a wider lighting range. Material: The ballast is made of metal, ensuring stable heat dissipation; Function: The ballast controls the voltage and frequency of the current to ensure the bulb receives the proper power; Easy Installation: It can directly replace old or damaged ballasts, saving you time and effort; Product performance is stable, non-destructive replacement, check OEM number, plug and play.