Replace a worn front right upper arm in one step with this Dorman control arm, part number 521-042, which comes with its ball joint and bushings already installed. It is a direct replacement for the original equipment on the 2003 Ford Expedition. See the Buyer's Guide tab for engine details.
The control arm connects the wheel assembly to the vehicle's frame and lets the suspension move up and down, while the ball joint gives the steering a pivot point. Because this Dorman suspension control arm and ball joint assembly arrives pre-assembled, you avoid pressing a new joint or bushings into the old arm.
- Direct replacement: designed to take the place of the original assembly on the listed application.
- Pre-installed components: the ball joint and bushings come already installed, which saves time and labor.
- Tested engineering: put through Dorman's industry-leading evaluation process, aimed at a smooth, stable and safe ride with directional stability and predictable dynamics.
- Corrosion protection: additional coatings help the assembly resist rust and corrosion.
Signs this part may need replacing include clunking over bumps, loose or wandering steering, uneven tire wear, and cracked bushings or a loose ball joint. Have the suspension inspected to confirm the cause before you replace parts. Replacing the matching left-side arm at the same time is recommended for even handling.
Interchange: 810-96638B · 623.65047
81096638B · 62365047 · TC5943 · CA8373 · 2L1Z3084AA · 2L1Z3084AB · 2L1Z3084BA · CK80712 · K80712 · RK80712 · FA4451 · GK80712 · CMK80712 · 2605555 · 8CB40122 · SRK80712 · 2L1Z3084R · JTC1594
This part cross-references / interchanges with the following part numbers:
810-96638B, 623.65047, TC5943, CA8373, 2L1Z3084AA, 2L1Z3084AB, 2L1Z3084BA, CK80712, K80712, RK80712, FA4451, GK80712, CMK80712, 2605555, 8CB40122, SRK80712, 2L1Z3084R, JTC1594
