Dorman 521-901 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-901 suspension control arm and ball joint assembly is engineered for reliable performance on Chevrolet Cavalier and Pontiac Sunfire models. Designed with pre-greased components and included bushings, this assembly ensures smooth suspension operation and long-lasting durability.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings for effective vibration dampening
• Steel boxed control arm construction for enhanced strength
• Ball joint installed with threaded stud and bolt-in mounting
• Mounting hardware included for straightforward installation

Product Features and Specifications

This suspension control arm and ball joint assembly features a boxed steel control arm finished in black, measuring up to 288.5 mm in width and 237 mm in length. The assembly includes a pre-installed ball joint with a 14 mm threaded stud and a single 12.3 mm mounting hole. Rubber bushings are integrated to absorb road shocks and reduce noise. The assembly is designed for light suspension grade applications and comes with all necessary mounting hardware, though it does not include a grease fitting.

Compatible Vehicles and Applications

Specifically compatible with Chevrolet Cavalier and Pontiac Sunfire models, the Dorman 521-901 control arm and ball joint assembly is suitable for regular grade suspension repairs and replacements. This part is ideal for restoring proper suspension geometry and improving vehicle handling on these models.

• Corrects worn or damaged control arms causing poor alignment
• Replaces faulty ball joints that result in steering looseness
• Addresses suspension noise due to deteriorated bushings
• Improves ride quality by restoring suspension stability
• Resolves uneven tire wear linked to suspension issues

Installation Notes and Tips

Installation of the Dorman 521-901 assembly requires basic suspension repair tools. The bolt-in ball joint mounting and included hardware simplify the replacement process. Since the control arm is pre-greased and includes installed bushings, additional lubrication is generally not necessary. Ensure proper torque specifications are followed for mounting bolts to maintain suspension integrity.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 521-901 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.