D2S and D2R Xenon Ballast Control Unit Part numbers 1307329082, 1307329074, 1307329090. Pack of 1. Key benefits - Precise ballast control for D2S and D2R xenon headlight systems, helping ensure reliable ignition and stable beam operation. - Model specific: designed to fit and function with the listed part numbers, simplifying replacement decisions. - Easy one-unit replacement; suitable for quick repairs or field updates. Compatibility and fit - Intended for D2S and D2R xenon ballast control applications. - If needed, request an information check to confirm exact fit with your vehicle and ballast setup. What’s included - 1 ballast control unit per pack. Performance and use - Provides proper control signals to the xenon ballast, contributing to consistent light output and safe operation. - Suitable for use during headlight system refurbishment or repair projects where a compatible ballast control unit is required. Use scenarios - Replacing a faulty ballast control unit in a D2S or D2R headlight to restore proper ballast operation. - Part of a headlight refurbishment or upgrade project where precise ballast control is essential. - Auto repair shop or enthusiast inventory where model-specific ballast control units are needed and compatibility can be verified via information check.