Dorman 520-391 front left lower control arm with ball joint for the 2004-2008 Ford F-150 and other vehicles joins the wheel to the frame and lets it move with the suspension. Where the original arm is worn, this Dorman control arm replaces the arm, ball joint and bushings in one piece.
- Dorman OE Solutions product line
- Ball joint and bushings come pre-installed on the arm, which saves time and labor
- Pre-greased ball joint with a threaded stud and a 14 mm thread diameter
- Aluminum control arm with rubber bushings
- Additional coatings resist rust and corrosion
- Tested for a smooth, stable ride and directional stability
Quick facts
- Part: Dorman 520-391 control arm with ball joint
- Also called: control arm and ball joint assembly
- Fits: 2004-2008 Ford F-150 and other vehicles
- Position: Front left lower
- Material: Aluminum control arm, rubber bushings
- Condition: New
A worn arm can show up as a clunk over bumps, loose or wandering steering, or uneven front tire wear. Those signs can have other causes, so find the cause before replacing the arm. With the engine off and the truck parked, look at the rubber bushings for cracks and the ball joint boot for tears; a shop can test the joint for play.
Fits
It is a direct replacement for the original assembly on the 2004-2008 Ford F-150, the 2004-2008 Ford Lobo and the 2006-2008 Lincoln Mark LT. This listing is one arm for the front left; the front right is a separate part, and the two are normally done together.
Specifications
Fit and size
- Position: Front left lower
- Quantity per vehicle: 1
- Mounting hole diameter: 12.3 mm
- Ball joint thread diameter: 14 mm
- Maximum width: 288.5 mm
- Maximum length: 237 mm
Build and materials
- Control arm material: Aluminum
- Control arm type: Casting/Forged
- Bushing material: Rubber
- Ball joint stud: Threaded
- Grade: Standard replacement
- Condition: New
- Country of origin: Turkey
In the box
One control arm with ball joint and mounting hardware. A grease fitting is not included. The front left side takes one arm.
Frequently Asked Questions
Is Dorman 520-391 the control arm for the 2004-2008 Ford F-150 front left side?
Yes. Dorman 520-391 is the front left lower control arm with ball joint for the 2004-2008 Ford F-150. The front right takes a separate part.
Does this arm also fit the 2004-2008 Ford Lobo and the 2006-2008 Lincoln Mark LT?
Yes. Dorman 520-391 is listed for the 2004-2008 Ford Lobo and the 2006-2008 Lincoln Mark LT as well, in the same front left lower position.
What is the Dorman suspension control arm and ball joint assembly made of?
The control arm is aluminum with rubber bushings. Its ball joint has a threaded stud with a 14 mm thread diameter.
Are the Dorman control arm bushings already installed on this arm?
Yes. The bushings and the ball joint come pre-installed, and mounting hardware is included. A grease fitting is not included.
Does the Dorman lower control arm have a rust-resistant coating?
Yes. Additional coatings give this lower control arm rust and corrosion resistance. The control arm material is aluminum.
