Dorman 521-721 Suspension Control Arm and Ball Joint Assembly - Rear Left Upper

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 521-721 suspension control arm and ball joint assembly is designed specifically for Nissan Altima and Maxima models. This pre-greased, aluminum control arm assembly offers a reliable replacement option for light suspension grade applications, ensuring proper vehicle handling and stability.

• Pre-greased for immediate installation
• Includes rubber bushings and mounting hardware
• Aluminum control arm with casting/forged construction
• Press-in ball joint with pinch stud type installed
• Compatible with Nissan Altima and Maxima models

Detailed Product Features and Specifications

The Dorman 521-721 control arm assembly features a durable aluminum control arm with a black finish, measuring up to 288.5 mm in width and 237 mm in length. It includes rubber bushings to absorb road vibrations and reduce noise. The ball joint is press-in mounted with a 14 mm thread diameter pinch stud, pre-installed and pre-greased for convenience. This assembly is designed for light suspension grade use and comes with one mounting hole of 12.3 mm diameter. Mounting hardware is included to facilitate a straightforward installation process.

Compatible Vehicles and Application

This suspension control arm and ball joint assembly is compatible with Nissan Altima and Maxima models. It is intended for use in suspension systems requiring a light-grade control arm replacement, helping maintain proper wheel alignment and suspension geometry.

• Restores proper suspension articulation and control
• Eliminates worn or damaged control arm components
• Reduces suspension noise and vibration
• Improves vehicle handling and steering response
• Addresses ball joint wear and looseness

Installation Notes and Tips

Installation of the Dorman 521-721 control arm and ball joint assembly requires basic suspension repair tools. Since the ball joint is pre-installed and pre-greased, no additional greasing is necessary. Ensure the mounting hardware is securely tightened to manufacturer torque specifications. This assembly is not adjustable, so proper alignment should be verified after installation.

Quality Assurance and Warranty Information

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-721 control arm and ball joint assembly undergoes quality checks to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.