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Thread: 2011 Lexus GS 350 Low Beam Replacement

  1. #1

    Default 2011 Lexus GS 350 Low Beam Replacement

    After 9 years and 100,000 miles I believe that the Low beam bulbs should be replaced. Is there a high quality aftermarket bulb suggestion? Thank you.

  2. #2
    Flashaholic
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    Default Re: 2011 Lexus GS 350 Low Beam Replacement

    It looks like the D4S Osram HID xenon Night Breaker Laser Bulbs +200% 66440XNL is about the only thing on the maket that would be better than the OEM replacement.

  3. #3
    Moderator Alaric Darconville's Avatar
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    Default Re: 2011 Lexus GS 350 Low Beam Replacement

    You're going to be digging in there anyway replacing the low beam arc-discharge capsules; it's time to upgrade your high beams to the Toshiba HIR1 (Toyota P/N 90981-13066)

    It will require a minor base modification, and you'll definitely want to move your DRL function from the high beam to the turn signals, using the DRL-1. Otherwise, those bulbs will die a miserable death and while dying be rendered increasingly worse for high beam usage.

    In all, it's a hefty investment, but definitely worth it.

    Make sure the lamps are in excellent, as near-to-new-as-possible condition, and the lamps are aimed correctly. Your bulb upgrades will be for naught if your lamps are in bad shape and the aim is not correct.

    If your lamps aren't in such great condition, a polish/reseal of them may buy a little extra time, but depending on their condition you may be better off replacing them with genuine Lexus parts (*not* aftermarket junk).
    Last edited by Alaric Darconville; 08-11-2020 at 10:20 AM.

  4. #4
    Flashaholic
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    Default Re: 2011 Lexus GS 350 Low Beam Replacement

    Quote Originally Posted by Alaric Darconville View Post
    You're going to be digging in there anyway replacing the low beam arc-discharge capsules; it's time to upgrade your high beams to the Toshiba HIR1 (Toyota P/N 90981-13066)
    Get those same bulbs without the Toyota bubble wrap for less than $30/ea from Daniel Stern

  5. #5

    Default Re: 2011 Lexus GS 350 Low Beam Replacement

    Thanks for all the information! This forum is awesome.

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