Dorman 521-029 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly for Chevrolet Impala

The Dorman 521-029 suspension control arm and ball joint assembly is designed specifically for Chevrolet Impala models. This pre-greased, steel control arm assembly offers reliable suspension performance and includes all necessary mounting hardware for a straightforward installation.

• Pre-greased for immediate use without additional lubrication
• Includes rubber bushings for effective vibration dampening
• Ball joint installed with threaded stud and bolt-in mounting type
• Constructed from durable steel with a black finish
• Mounting hardware included for complete assembly replacement

Product Features and Specifications

The Dorman 521-029 control arm and ball joint assembly is engineered with a casting/forged steel control arm measuring up to 288.5 mm in width and 237 mm in length. It features a single mounting hole with a diameter of 12.3 mm and includes rubber bushings to reduce noise and absorb road shocks. The ball joint is pre-installed and uses a threaded stud with a 14 mm thread diameter, secured by a bolt-in mounting type. This assembly is designed for light suspension grade applications and is not adjustable, ensuring a precise fit for Chevrolet Impala vehicles.

Compatible Applications and Common Repairs

This suspension control arm and ball joint assembly is compatible with Chevrolet Impala models requiring a replacement of worn or damaged front suspension components. It addresses issues such as:

• Excessive suspension noise or clunking
• Uneven tire wear due to misaligned control arms
• Loose or worn ball joints affecting steering stability
• Vibration or poor handling caused by deteriorated bushings
• Failed suspension components from corrosion or impact damage

Installation Notes and Tips

Installation of the Dorman 521-029 assembly requires basic suspension repair tools. Since the control arm comes pre-greased and includes mounting hardware, additional lubrication or parts are not necessary. Ensure the vehicle is securely lifted and supported before removal of the old control arm. Torque all mounting bolts to manufacturer specifications and verify proper alignment after installation to maintain optimal handling and tire wear.

Quality Assurance and Warranty Information

Dorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 521-029 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in its long-term reliability for Chevrolet Impala suspension repairs.