Dorman 521-974 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-974 suspension control arm and ball joint assembly is designed for reliable performance in Cadillac DeVille, Eldorado, and Seville models. This pre-greased, bolt-in assembly offers a straightforward replacement solution for light suspension applications.

• Pre-greased for immediate use and reduced maintenance
• Includes grease fitting for easy lubrication
• Constructed from stamped steel for strength and durability
• Comes with rubber bushings and mounting hardware included
• Ball joint installed with threaded stud and bolt-in mounting type
• Compatible with Cadillac DeVille, Eldorado, and Seville models

Product Features and Specifications

The Dorman 521-974 control arm assembly features a stamped steel construction finished in black for corrosion resistance. It includes a single mounting hole with a diameter of 12.3 mm and measures up to 288.5 mm in width and 237 mm in length. The assembly is designed for light suspension grade applications and comes with rubber bushings to absorb road vibrations effectively. The ball joint is pre-installed with a threaded stud of 14 mm diameter and mounts securely using bolts, ensuring a precise fit and reliable connection. This assembly is not adjustable but includes all necessary mounting hardware for installation.

Compatible Vehicles and Applications

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

• Cadillac DeVille
• Cadillac Eldorado
• Cadillac Seville

It is intended for use in light suspension systems where reliable control arm performance is required.

Common Issues Addressed by This Assembly

• Worn or damaged control arm bushings causing steering instability
• Ball joint wear leading to uneven tire wear or clunking noises
• Corroded or bent control arms affecting suspension alignment
• Loose or missing mounting hardware compromising suspension integrity
• Difficulty in lubrication due to missing grease fittings

Installation Notes and Tips

Installation of the Dorman 521-974 control arm and ball joint assembly requires basic suspension knowledge and tools. The pre-greased ball joint and included grease fitting simplify maintenance. Ensure all mounting hardware is securely tightened to manufacturer torque specifications. Since the assembly is not adjustable, verify alignment after installation. It is recommended to inspect related suspension components during replacement to maintain overall system performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-974 assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in its long-term reliability for Cadillac DeVille, Eldorado, and Seville vehicles.