Maybe contact Torfab to see if they have a recommendation. Sometimes they have shells as well. Or did. I bought my FJ-62 back salvage after it burned and sold it Tor so that he could salvage the numerous remaining good parts into other cruisers. I think he had the axles sold within a few days (4.56 gears, rear locker, Longs, fully rebuilt with OEM bearings, Marlin double lip seals, etc.).
It's been a long time since I needed a wrecker lot but there used to be one up north of Seattle (Aurora) that was pretty good for Toyota. I got a full front axle housing for something like $300 for my FJ-62. It had been hit in the axle and slightly bent which was not found turn the repair. I didn't discover this until years later when I was doing a full knuckle service and installing Longfields. The extra size of the Longs wouldn't fit even with the required grinding. I was shocked when the lot said we'll have one ready this afternoon. If I can remember the name I'll post it up but it has been awhile.