Honda/Acura/Mazda OEM Replacement Ballast HID/Xenon 33109-S0K-A02 Honda OEM Ballast - Like NEW - May have smal scratches from warehouse moves Mitsubishi/Acura/Honda/Mazda Xenon / H.I.D headlight ballast. These ballasts come original equipment on HID equipped vehicles such as the new Acura TSX, TL, RL, Mazda 3, Honda S2000 to name a few. These high quality ballasts feature an all aluminum casing. They have a 12v Input and work with all 35w D2S/D2R bulbs, all wrapped into a relatively small and lightweight package Quality construction for a long life. These will likely outlast your car. In our opinion these are one of the best ballasts available on the market today.We would never offer them to our customers if we believed otherwise. (what you see is what you get) Yes, these are Real OEM Mitsubishi/Acura/Honda/Mazda headlight ballasts. They are not aftermarket replicas. Thickness: 20.25mm - Please check picture and compare the connector with your OEM ballast. Ignitor NOT INCLUDED. Compatibility: Honda S2000 2004-2008 Acura TL Acura RDX Acura RL Acura TSX Mazda 3 Mitsubishi Models Ballast only parts number: 33109-S0K-A02 - Please check picture and compare the connector with your OEM ballast. Shipped by USPS regular mail 3-5 days within 48 states