Finding the Right 99-04 Super Duty Axle Width

Getting the exact 99-04 super duty axle width is the first thing you need to do if you're planning a solid axle swap or just trying to figure out if those new wheels are going to stick out past your fenders. These axles, found under the Ford F-250 and F-350 trucks from 1999 to 2004, have become a staple in the off-road community. They're beefy, relatively easy to find in junk yards, and they don't cost an arm and a leg compared to a custom aftermarket housing. But before you go dragging one home, you've got to know if it'll actually fit under your rig. ...

May 12, 2026 · 7 min · Lewin Olszewski