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IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

Headlight (D4S)

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Old Dec 11, 2025 | 05:00 AM
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Exclamation Headlight (D4S)

Hey Fellas, My car left headlight (low beam D4S) is out, but blinker and high beam works fine. I do have a bit of moisture inside.
I do need to replace the headlight assembly? If so, what is a good brand (besides OEM) that I can purchase?
TIA,

Lou.
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Old Dec 11, 2025 | 03:01 PM
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There's nothing better out there than the OEM headlights. Aftermarket sets look nice and fancy but the light output they produce is mediocre.
Try to seal the headlight using proper butyl sealant designed for headlights and don't use that silicone crap. If sealant doesn't work find the used one from car wrecker, eBay, Marketplace etc.
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Old Dec 29, 2025 | 03:05 AM
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Have you since replaced the bulb?

Additional information regarding how to change bulbs / bulb selection discussed here;

DIY Changing Stock HID Bulbs
https://www.clublexus.com/forums/is-...hid-bulbs.html

Suggested replacement bulbs;
Fog Light - (SYLVANIA 9006)
Daytime / High Beam (Sylvania 9005 12V 60W)
Driving / Low Beam D4S (PHILLIPS XenEco 42402 (35W)

Fog Light Replacement 2006 Lexus IS350 3.5L V6;
https://www.carcarekiosk.com/video/2...lights/foglamp
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