Dorman 521-531 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-531 suspension control arm and ball joint assembly is engineered for reliable performance in Nissan and Suzuki vehicles. Designed specifically for models like the Nissan Frontier, Pathfinder, Xterra, and Suzuki Equator, this assembly ensures proper suspension function and vehicle stability.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete installation
• Steel construction with casting/forged control arm for strength and durability
• Press-in ball joint with pinch-type stud, installed and ready to fit
• Compatible with light suspension grade applications

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 521-531) features a black steel control arm with a maximum width of 288.5 mm and length of 237 mm. The assembly includes one mounting hole with a diameter of 12.3 mm, designed for a secure fit. The rubber bushings help absorb road vibrations, while the pre-installed ball joint with a 14 mm thread diameter ensures smooth steering and suspension articulation. Although grease fittings are not included, the pre-greased components reduce the need for immediate lubrication.

Compatible Nissan and Suzuki Models

This Dorman suspension control arm and ball joint assembly is compatible with several Nissan and Suzuki models, including the Nissan Frontier, Pathfinder, Xterra, and Suzuki Equator. It is designed to meet the suspension requirements of these vehicles, providing a direct replacement for worn or damaged control arms and ball joints.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Suspension noise or clunking during driving
• Reduced vehicle handling and alignment problems
• Corrosion or fatigue in original control arm components

Installation Notes and Tips

Installation of the Dorman 521-531 assembly requires basic suspension knowledge and tools. Since the ball joint is press-in type and pre-installed, no separate ball joint replacement is necessary. Ensure the mounting hardware included is used to secure the control arm properly. Verify torque specifications according to the vehicle manufacturer’s guidelines. Although the assembly is pre-greased, periodic inspection and maintenance of suspension components are recommended for optimal performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 521-531 control arm and ball joint assembly undergoes quality checks to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Refer to Dorman’s official documentation for exact warranty terms.