Dorman 521-393 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 521-393 suspension control arm and ball joint assembly is designed specifically for Toyota Sequoia and Tundra models. This pre-greased, stamped steel control arm offers a reliable replacement solution for light suspension needs, ensuring proper vehicle alignment and handling.

• Pre-greased for immediate installation and reduced maintenance
• Includes rubber bushings and a press-in ball joint with threaded stud
• Constructed from durable stamped steel with a black finish
• Mounting hardware included for straightforward installation
• Compatible with Toyota Sequoia and Tundra suspension systems

Detailed Product Features and Specifications

The Dorman 521-393 control arm assembly features a stamped steel construction that provides strength and durability while maintaining a lightweight profile suitable for light suspension grade applications. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to absorb vibrations and reduce noise, enhancing ride comfort. The ball joint is press-in mounted and comes installed with a threaded stud measuring 14 mm in diameter, designed to fit securely within the suspension system. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single mounting hole of 12.3 mm diameter, ensuring precise fitment. The black finish offers corrosion resistance and a clean appearance.

Compatible Vehicles and Common Applications

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

• Toyota Sequoia
• Toyota Tundra

It is intended for use in light suspension grade applications where maintaining proper wheel alignment and suspension geometry is critical. This part is suitable for replacing worn or damaged control arms and ball joints to restore vehicle stability and handling.

Common Issues Addressed by This Control Arm Assembly

• Excessive suspension noise or clunking during driving
• Uneven tire wear due to misalignment
• Loose or unstable steering feel
• Vibration or shaking in the front suspension
• Worn or damaged ball joints or bushings

Installation Notes and Tips

Installation of the Dorman 521-393 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the part comes pre-greased and includes mounting hardware, it simplifies the replacement process. Ensure the vehicle is securely lifted and supported before removing the old control arm. Verify the mounting hole alignment and torque specifications according to Toyota service guidelines. Because this control arm is not adjustable, precise fitment is essential for proper suspension geometry.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-393 suspension control arm and ball joint assembly undergoes quality inspections to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official documentation for complete warranty terms.