Plenty of people use Tom Woods driveshafts. https://4xshaft.com/collections/toyota-4runner
Rock auto has "OEM Style" cheap options (no comment on quality): https://www.rockauto.com/en/catalog/toyota,1999,4runner,3.4l+v6,1357455,drivetrain,drive+shaft,2308
I'm sure there are other options too...