Dana Model S10 and S130 Full-Floating Rear Drive Axle
WARNING: This page is about a different car, the 2005 Ford F550 Super Duty and 2005 Ford F450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Dana Model S10 And S130 Full-Floating Rear Drive Axle