Dorman 521-383 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 521-383 suspension control arm and ball joint assembly is designed specifically for Chevrolet and GMC Canyon and Colorado models. This pre-greased, bolt-in assembly offers a reliable replacement option for light suspension applications, ensuring proper vehicle handling and alignment.

• Pre-greased for immediate use and reduced maintenance
• Includes grease fitting for easy lubrication
• Constructed from durable steel with a boxed control arm design
• Rubber bushings included for vibration dampening
• Bolt-in ball joint with threaded stud for secure mounting
• Mounting hardware included for straightforward installation
• Compatible with Chevrolet Canyon and GMC Colorado models

Detailed Product Features and Specifications

The Dorman 521-383 control arm assembly features a boxed steel control arm measuring up to 288.5 mm in width and 237 mm in length, finished in black for corrosion resistance. It includes rubber bushings that help absorb road shocks and reduce noise. The ball joint is pre-installed and features a threaded stud with a 14 mm thread diameter, mounted via a single 12.3 mm diameter hole. This assembly is designed for light suspension grade applications and is not adjustable, providing a direct fit replacement for the specified vehicles.

Compatible Vehicles and Application

This suspension control arm and ball joint assembly is compatible with Chevrolet Canyon and GMC Colorado trucks. It is intended for use in suspension systems requiring a light-grade control arm and ball joint assembly, ensuring proper suspension geometry and vehicle stability.

• Replaces worn or damaged control arms and ball joints
• Addresses suspension noise and vibration issues
• Corrects alignment problems caused by faulty components
• Improves steering response and handling
• Restores suspension integrity after impact or wear

Installation Notes and Tips

Installation of the Dorman 521-383 assembly requires basic suspension knowledge and tools. The included mounting hardware simplifies the process. Since the ball joint is pre-installed and the control arm is pre-greased, minimal preparation is needed before installation. Ensure proper torque specifications are followed for mounting bolts and ball joint stud. Regular lubrication through the included grease fitting is recommended to maintain component longevity.

Quality Assurance and Warranty Information

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-383 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This product comes with a limited warranty covering defects in materials and workmanship, providing confidence in its performance for Chevrolet Canyon and GMC Colorado owners.