Dorman 521-791 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 521-791 suspension control arm and ball joint assembly is designed specifically for Kia Sorento models. This pre-greased, stamped steel control arm offers a reliable replacement solution for light suspension applications, ensuring proper vehicle handling and alignment.

• Pre-greased for immediate use
• Includes rubber bushings and mounting hardware
• Stamped steel construction with black finish
• Bolt-in ball joint with threaded stud (14 mm thread diameter)
• Compatible with Kia Sorento suspension systems

Detailed Product Features and Specifications

This suspension control arm assembly from Dorman features a stamped steel control arm measuring up to 288.5 mm in width and 237 mm in length, finished in black for corrosion resistance. The assembly includes rubber bushings to absorb vibrations and reduce noise, enhancing ride comfort. The ball joint is pre-installed and pre-greased, eliminating the need for additional lubrication during installation. The ball joint mounting type is bolt-in with a threaded stud, providing secure attachment and ease of replacement. Mounting hardware is included, and the control arm has one mounting hole with a diameter of 12.3 mm. This assembly is designed for light suspension grade applications and is not adjustable.

Compatible Vehicles and Application

This Dorman suspension control arm and ball joint assembly (part number 521-791) is compatible with Kia Sorento models requiring a light suspension grade control arm. It is engineered to restore proper suspension geometry and improve vehicle stability.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Corroded or bent control arms affecting alignment
• Excessive suspension noise or vibration
• Difficulty maintaining proper wheel alignment

Installation Notes and Tips

Installation of the Dorman 521-791 control arm and ball joint assembly requires basic suspension repair tools. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary. Ensure all mounting hardware is securely tightened to manufacturer torque specifications. It is recommended to perform a wheel alignment after installation to maintain proper handling and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-791 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This part comes with a limited warranty covering defects in materials and workmanship, providing confidence in its long-term performance.