I have a GX 550. Same problem but I solved most of my issue for about $15 from Temu shopping site. I put a couple of Velcro stickers on back and am very happy with the storage for small items like glasses pens parking tickets etc.
The roof holes for the 2024 landcruiser are exactly the same as my GX 550 overtrail. When I replaced my roof rails the landcruiser OEM rack , Prinsu and Westcott all fit without any drilling. You have to remove the rails first. I chose the Westcott because it looked the best and is low profile...
I tried to post a link but I somehow can’t do it so just use the web address in the photo above. Here’s a screenshot of a guy who put the rack on his gx
The first link I sent requires a vin #. I guess Toyota wants to keep a tight grip on not making it available to all who want to buy it. I’m adding another link that I found the they “recommend “ a VIN # but don’t require it. I know it will absolutely work on the GX 550.
Hey Dr Evil Thanks for posting the information. Eagerly waiting for part 2. I have a GX Overtrail coming in about 3 weeks. I don’t like the Lexus roof rack that you can purchase and really like the FE Land Cruiser rack. I saw on another forum that someone put the FE OEM rack on his GX 550...