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Some designs leave me shaking my head slowly from side to side and wishing I could find the grave of the designer, dig him up and kill him again: Turns out that to change the low-beam bulbs on the 2003-2008 RX series SUVs the bumper cover needs to be removed and then the headlight assy can be unbolted and pulled forward to gain access to the bulb. Most other designs require only that we remove an access cover, turn the old bulb a quarter turn, remove, un-plug and replace in reverse order - a five-minute task. Seems my 2008 RX400h is a different animal: Before learning the bumper has to be undone I'd removed the battery and the cover for my low-beam headlight on the passengers' side. Once able to squeeze three of my sausage-sized fingers into the hole I was able to touch a couple of springy tabs that I suspect hold the bulb assy in place, but that was about it. Also, this caused the whole bulb assy to swivel, wobble and dance like Don Knotts after about six rum and cokes. The assemble did not feel anything like the quarter-turn halogen lamps I'd been used to changing on other vehicles add nauseum. I'm assuming mine are the HID bulbs with the steering-following feature(?) This is a new one for me. So: Can these bulbs be purchased from anywhere but Lexus? If so, what might be the part number and price range? I'm guessing they're stupid-expensive to the point where an LED upgrade might be the best route - assuming that option/kit even exists. Anyone more familiar with the options or lack thereof?

The R/H light has failed. I'm thinking it would be better to go with an L.E.D. upgrade for both (solid state, more durable) if there is a compatible one available that's plug-and-play. So far I've found nothing on Youtube.

Brett, it looks like HID lights are listed on that page. Do you wish to replace your HIDs because you want brighter lights? Or have your lights failed?

Interesting site and yes, the prices are very reasonable. I guess what I need to know is, are these halogen female plugs compatible with the light assembly I currently have, ie: the HID system with AFS? Can a halogen or LED bulb be installed into this new female plug and then simply pushed into the receptacle and twisted 1/4 turn, ie: "plug and play? Or do I need to replace the entire light/lens assembly on both sides? Still not able to reach the Lexus service department for their price on simply replacing the stock low-beam HID/AFS lamp with stock. Up here in Canachinazuela everything is at least 30% pricier than in the states (thanks to the exchange rate) and often as high as 50% more.

Thanks Dave, I'll check it out. Looking for a kit that's a direct swap - or a more reasonably priced alternative bulb to the stock HID without compromising bulb life.

Have you checked here? 2008 LEXUS RX400H 3.3L V6 ELECTRIC/GAS Headlamp Bulb | RockAuto It looks like they're not very expensive.