Dorman 521-144 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 521-144 suspension control arm and ball joint assembly is designed for Ford Edge and Lincoln MKX models. This pre-greased, steel control arm assembly offers a reliable replacement option for light suspension grade applications, ensuring proper vehicle handling and alignment.

• Pre-greased for immediate installation
• Includes rubber bushings and mounting hardware
• Press-in ball joint with pinch stud type
• Steel construction with black finish
• Compatible with Ford Edge and Lincoln MKX

Detailed Product Features and Specifications

This Dorman suspension control arm and ball joint assembly (part number 521-144) features a durable steel control arm constructed through casting and forging processes. The assembly includes rubber bushings to absorb road vibrations and reduce noise. The ball joint is pre-installed and uses a press-in mounting type with a pinch stud, providing secure and precise fitment. The control arm measures up to 288.5 mm in width and 237 mm in length, with a mounting hole diameter of 12.3 mm and a single mounting hole for straightforward installation. The assembly is designed for light suspension grade use and comes with all necessary mounting hardware included.

Compatible Vehicles and Application

This suspension control arm and ball joint assembly is compatible with the following vehicles:

• Ford Edge (various model years)
• Lincoln MKX (various model years)

Ensure compatibility by verifying your vehicle’s specifications before installation. The Dorman 521-144 is engineered to meet the suspension requirements of these models, maintaining proper steering geometry and suspension performance.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Excessive suspension noise or vibration
• Misalignment affecting vehicle handling
• Corroded or weakened control arm structure

Installation Notes and Tips

The Dorman 521-144 control arm and ball joint assembly comes pre-greased and includes mounting hardware, simplifying the installation process. Since the ball joint is press-in type with a pinch stud, professional tools may be required for removal and installation. It is recommended to have a qualified technician perform the replacement to ensure proper torque specifications and alignment. After installation, a wheel alignment is advised to maintain optimal suspension performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-144 assembly undergoes rigorous quality control to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.