HID Xenon Ballast D4S D4R,OEM Ballast KDLT003 / DDLT003 85967-24010 / 85967-53040 / 85967-52020 Ballast DDLT Xenon D4S Headlight Headlamp Control Unit DDLT003 ECU Module， Fitment: 1x New DDLT OEM Xenon Ballast / Xenon Control Unit， Condition- New, removed from New Headlights， This ballast / control unit can be used directly with D4S or D4R Hid Xenon Bulbs. It can also be used for D4R or D4S HID Xenon bulbs - ONLY with D4 igniter attached. OEM Part Manufacturer Numbers # OEM Ballast KDLT003 / DDLT003 85967-24010 / 85967-53040 / 85967-52020