HID Ballast with Ignitor - Headlight Control Unit Module - Replaces# 81107-2D020, 85967-0E020, DDLT002, KDLT002 - Fits Toyota Prius, Avalon, Sienna, Lexus ES300, ES330, LS430, Lincoln Aviator and moreCategory: 2004 Lexus Es330 ReplacementThe HID or Xenon Ballast in your Lexus, Toyota, Mazda, Lincoln, Porsche or Land Rover vehicle is responsible for supplying power to your headlight’s bulb. Overtime your HID Ballast can fail resulting in a headlight that flickers or does not turn on at all. This AA Ignition HID Xenon Ballast includes the HID Ignitor and is a direct replacement for the ballast on your Lexus, Toyota, Mazda, Lincoln, Porsche or Land Rover vehicle. Every ballast is designed to connect directly to your vehicle and requires NO programming or coding. Each of your vehicle’s headlights has its own ballast. These ballasts are commonly mounted either on the back or on the bottom of the headlight. While the HID Xenon Ballasts do commonly fail so can your factory headlight bulb. Please see our procedure below to determine if your factory HID Xenon Ballast has failed or if you simply need to replace your headlight bulb. This HID Ballast Fits the Following Vehicles:2000-2003 Lexus ES3002004-2006 Lexus ES3302001-2005 Lexus IS3002001-2006 Lexus LS4302001-2003 Lexus RX3002004-2006 Lexus RX3302007-2009 Lexus RX3502006-2008 Lexus RX400H2002-2005 Lexus SC4302005-2007 Toyota Avalon2003-2005 Toyota Celica2004-2006 Toyota Prius2004-2010 Toyota Sienna2007-2012 Mazda 62004-2008 Mazda RX-82003-2005 Lincoln Aviator2003-2006 Lincoln LS2005-2013 Porsche Boxster2005-2013 Porsche Cayman2006-2011 Porsche 9112006-2011 Porsche Carrera (997)2004-2009 Land Rover LR3Replaces the Following Part Numbers:81107-2D02085967-0E020DDLT002KDLT00281107-4818081107-4819081107-4821081107-5105081107-53040Bulb Out Warning Light On?The bulb out warning light on your instrument cluster can signal that there is a problem with your headlights. While sometimes a bad headlight bulb can be to blame, it can also be a bad HID ballast. Follow our instructions below to confirm if your HID ballast is bad.Fix Your Headlights for a Fraction of the Price!The headlights are an essential part of your vehicle and are a neccessity for driving at night. Driving with a headlight out is not only dangerous but it's also against the law. This AA Ignition replacement HID Ballast is a direct replacement for your car's factory HID ballast and will restore your headlights function.Diagnosing a Bad HID Ballast!Remove the Headlight Bulbs!If you just noticed that your headlight is out, open your hood and access the headlight bulb through the access port in the backInspect the Headlight Bulbs!Remove the headlight bulb and inspect it for any discoloration or cracks. A good headlight bulb will look like the one pictured above. If no discoloration is present, switch both headlight bulbs from one headlight to another.Replace the HID Ballast!If the same headlight still does not light up replace your HID Ballast.This is a compatible replacement part manufactured by AA Ignition. This HID Ballast is NOT a genuine Lexus, Toyota, Mazda, Lincoln, Porsche or Land Rover part. Lexus, Toyota, Mazda, Lincoln, Porsche, Land Rover and their associated vehicle models are registered trademarks of their respective owners. These trademarks and part numbers are used in this listing only to identify the vehicles this HID Ballast fits. AA Ignition is a registered trade mark of GWA Auto Parts Inc.