Dorman 521-973 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Reliable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-973 suspension control arm and ball joint assembly is designed for Cadillac DeVille, Eldorado, and Seville models. This pre-greased, bolt-in assembly offers a durable steel construction with included bushings and mounting hardware for straightforward installation.

• Pre-greased for immediate use and reduced maintenance
• Includes grease fitting for easy lubrication
• Light suspension grade type suitable for regular driving conditions
• Steel stamped control arm with black finish for corrosion resistance
• Rubber bushings included to absorb road vibrations
• Bolt-in ball joint with threaded stud for secure mounting
• Mounting hardware included for complete installation
• Compatible with Cadillac DeVille, Eldorado, and Seville

Durable Design and Construction

This suspension control arm and ball joint assembly from Dorman is engineered with a stamped steel control arm measuring up to 288.5 mm in width and 237 mm in length. The assembly features a threaded ball joint stud with a 14 mm thread diameter, installed and ready for use. Rubber bushings help reduce noise and vibration, while the included grease fitting allows for ongoing maintenance to extend component life. The black finish provides corrosion resistance, maintaining the integrity of the control arm over time.

Compatible Cadillac Models and Applications

The Dorman 521-973 is specifically designed for use with Cadillac DeVille, Eldorado, and Seville vehicles. This suspension control arm and ball joint assembly addresses common suspension issues and is suitable for light suspension grade applications, making it a practical replacement part for regular driving conditions.

• Eliminates worn or damaged control arms causing poor handling
• Replaces faulty ball joints that produce clunking noises
• Restores proper suspension alignment and steering response
• Reduces vibration and uneven tire wear
• Improves overall ride comfort and vehicle stability

Installation Notes and Tips

The Dorman 521-973 assembly comes with all necessary mounting hardware and is designed for bolt-in installation. The pre-greased ball joint and included grease fitting simplify lubrication during and after installation. Ensure the mounting hole diameter of 12.3 mm matches your vehicle specifications. It is recommended to have a professional alignment performed after installation to maintain proper suspension geometry.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. This assembly includes pre-installed ball joints and bushings to ensure reliable 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.