3rd brake light

2007 crew cab. Noticed that drivers side tail light was full of water, about 1 inch. Drained, dried, applied rtv at intersections. It remains dry today. Noticed the 3rd brake light now has about 1/2 inch water, removed, drained, dried applied rtv, still fills up when it rains. Those things are $60-70 oem. Don't know what else to try, any experience with the led type on flea-bay?
Reply to
wabbleknee
Here is a link to eBay, $31.90 free shipping, there are others too.
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Reply to
Doug

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