Dorman 521-972 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-972 suspension control arm and ball joint assembly is engineered for reliable performance in Chevrolet, GMC, and Saab vehicles. Designed specifically for models like the Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x, this assembly ensures proper suspension function and vehicle stability.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete replacement
• Steel boxed control arm construction for enhanced strength and durability
• Press-in ball joint with threaded stud for secure mounting
• Compatible with light suspension grade applications

Product Features and Specifications

This suspension control arm and ball joint assembly from Dorman is built with a boxed steel control arm measuring up to 288.5 mm in width and 237 mm in length. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to reduce vibration and noise, while the ball joint is installed and ready to use. The ball joint features a 14 mm threaded stud and a press-in mounting type, ensuring a secure fit. Mounting hardware is also provided, with a single mounting hole of 12.3 mm diameter for proper alignment.

Compatible Vehicles and Applications

This Dorman 521-972 control arm and ball joint assembly is compatible with the Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x models. It is designed for light suspension grade use, making it suitable for regular driving conditions and helping maintain proper suspension geometry and handling characteristics.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing excessive play or noise
• Faulty ball joints leading to steering instability or uneven tire wear
• Corroded or bent control arms affecting wheel alignment
• Loose or missing mounting hardware compromising suspension integrity
• Reduced suspension performance due to lack of lubrication

Installation Notes and Tips

Before installation, verify vehicle compatibility with the Dorman 521-972 part number. The assembly comes pre-greased and includes all necessary bushings and mounting hardware, simplifying the replacement process. Use proper tools to press in the ball joint and torque mounting bolts to manufacturer specifications. Since the control arm is not adjustable, ensure alignment is checked and corrected after installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable fit and function. This suspension control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.