Dorman 522-479 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 522-479 suspension control arm and ball joint assembly is designed specifically for Hummer H3 and H3T models. This pre-greased, steel control arm assembly offers a reliable replacement solution 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 threaded stud included and installed
• Constructed from durable steel with a black finish
• Compatible with Hummer H3 and H3T suspension systems

Detailed Product Description

The Dorman 522-479 suspension control arm and ball joint assembly is engineered as a casting/forged steel component, providing strength and durability for regular driving conditions. It features a single mounting hole with a diameter of 12.3 mm and a maximum control arm length of 237 mm and width of 288.5 mm, designed to match the original equipment specifications for Hummer H3 and H3T vehicles. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to absorb vibrations and reduce noise, while the press-in ball joint with a 14 mm threaded stud ensures secure attachment and smooth steering response. Mounting hardware is also provided for a complete replacement package.

Compatible Vehicles and Applications

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

• Hummer H3
• Hummer H3T

It is designed to restore proper suspension geometry and improve handling performance by replacing worn or damaged control arms and ball joints.

Common Issues Addressed by This Part

• Excessive suspension noise or clunking
• Uneven tire wear due to misalignment
• Loose or unstable steering feel
• Vibration or harshness while driving
• Worn or damaged control arm bushings or ball joints

Installation Notes and Tips

• Pre-greased ball joint allows for immediate installation without additional lubrication
• Ensure proper torque specifications are followed for mounting hardware
• Inspect surrounding suspension components for wear during replacement
• Alignment check is recommended after installation
• Use appropriate tools for press-in ball joint installation to avoid damage

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 522-479 control arm and ball joint assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to Dorman's official documentation for exact warranty terms.