Dorman 521-384 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-384 suspension control arm and ball joint assembly is engineered for Chevrolet Canyon and GMC Colorado models. Designed with pre-greased components and included grease fittings, this assembly ensures smooth suspension performance and easier maintenance.

• Pre-greased for immediate use and reduced maintenance
• Includes grease fitting for convenient lubrication
• Constructed from durable steel with a black finish
• Boxed control arm design for enhanced strength
• Includes rubber bushings and mounting hardware
• Bolt-in ball joint with threaded stud for secure fitment
• Compatible with Chevrolet Canyon and GMC Colorado vehicles

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 521-384) is built with a boxed steel control arm measuring up to 288.5 mm in width and 237 mm in length. The assembly includes rubber bushings that help absorb road vibrations and reduce noise. The ball joint is pre-installed and features a threaded stud with a 14 mm thread diameter, secured by a bolt-in mounting type with one mounting hole of 12.3 mm diameter. The assembly is designed for light suspension grade applications, making it suitable for regular driving conditions on Chevrolet Canyon and GMC Colorado trucks.

Common Applications and Problem Resolution

• Replaces worn or damaged control arms causing poor handling
• Addresses ball joint wear leading to steering looseness or noise
• Fixes suspension misalignment issues affecting tire wear
• Restores proper suspension geometry for improved ride quality
• Eliminates vibration and clunking noises from faulty bushings

Installation Notes and Tips

Installation of the Dorman 521-384 control arm and ball joint assembly requires basic suspension tools and mechanical knowledge. The pre-greased ball joint and included grease fitting simplify lubrication during installation and future maintenance. Ensure all mounting hardware is securely tightened to manufacturer torque specifications. This assembly is not adjustable, so alignment should be checked and corrected after installation to maintain proper vehicle handling.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-384 control arm and ball joint assembly undergoes rigorous quality control to ensure durability and reliability. While specific warranty details vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to Dorman’s official warranty policy for complete information.