Headlight Sealing

HBMurphy · Feb 8, 2019

Martinmann21[OP] said: ↑

Yea, I figured so, just wanted to be able to purchase new ones without this happening to me again. Really pisses me off
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Just one more example of how China has been at war with us for more than 20 years.

HBMurphy · Feb 8, 2019

Too Stroked said: ↑

Truth be told, that happens fairly rarely on OEM headlight housings. And the biggest reason I've seen for it happening on OEM housings is folks not seating bulbs properly / fully. Now for aftermarket housings, it's a whole different story. I've seen so many of them leak I've lost count. Everybody talks about adding sealants to them and I ask why the hell one should need to add anything if the housings were properly designed and built in the first place - which of course most of them are not.

On the bright side, there are usually used OEM housings available for relatively cheap from folks who slap the aftermarket junk in their trucks. Snag a pair before somebody figures out they're useless.
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Or get a pair of CAPA certified ones. In my experience they are WAY BETTER!!! More expensive but better.

TrafficGuy · Feb 14, 2019

crashnburn80 said: ↑

Toyota released an update headlight for 05-11 trucks that solves this issue, often referred to as the TSB lights. The original units had a design flaw. Toyota also did a large free replacement program to those affected. The program ended a couple years ago though. However you can still purchase the updated OEM TSB lights. Below is the info copy/pasted from my headlight thread on the TRD smoked chrome versions. These will be the highest quality and best performing assemblies you can buy without doing a retrofit.

OEM 2005-2011 smoked headlights:
These are like the Pro lights, but came on select Sport models. These are available loaded with bulbs, and unloaded w/o bulbs, saving $60 off the set . These part numbers are for the unloaded housings. These are the updated TSB version of the lights that do not have the melting DRL issue.
Right #81130-04173
Left #81170-04173
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Do you happen to have the part numbers for the loaded versions?

crashnburn80 · Feb 14, 2019

TrafficGuy said: ↑

Do you happen to have the part numbers for the loaded versions?
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When you click those links for the unloaded assemblies, the loaded are shown down below.

81150-04173
https://toyotaparts.bochtoyotasouth.com/oem-parts/toyota-composite-assembly-8115004173/?c=bT0x

81170-04173
https://toyotaparts.bochtoyotasouth.com/oem-parts/toyota-headlamp-housing-8117004173

Newfiebruh · Feb 15, 2019

The burn can’t be saved but the majority can be. Simply put the headlight in the oven at a low temp, peel both side apart and scrape the old crap off. Get some black silicone and run it through all of the “frame” and boom, sealed in 30 mins. Now the yellowing isn’t too bad either, sand and use a high quality uv resistant clear coat. Done and done.

stizo · Feb 15, 2019

crashnburn80 said: ↑

Correct. It is OEM, they solved the DRL issue, you don’t need to worry about trying to seal it to prevent leaks or condensation and it will have good UV protection so you don’t have to worry about fogging/hazing and it will have the best optical performance. On top of that they are the ‘Pro style’ darker chrome lights to look more aggressive.

Here is a comparison to stock chrome vs smoked chrome in the 2012-15 light, so you can see the difference.

Another compare pic

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Do you have a link for the 12-15 smoked chrome assemblies? TIA

Martinmann21 · Feb 15, 2019

crashnburn80 said: ↑

When you click those links for the unloaded assemblies, the loaded are shown down below.

81150-04173
https://toyotaparts.bochtoyotasouth.com/oem-parts/toyota-composite-assembly-8115004173/?c=bT0x

81170-04173
https://toyotaparts.bochtoyotasouth.com/oem-parts/toyota-headlamp-housing-8117004173
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The first link you shared looks like the loaded ones correct? I'm assuming by looking at the picture showing all the additional parts as well as the price should tell.

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