Dorman 520-231 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly for Ford Focus

The Dorman 520-231 suspension control arm and ball joint assembly is engineered to restore precise steering and suspension performance for your Ford Focus. Designed with quality materials and pre-installed components, this assembly offers a reliable replacement option for light suspension needs.

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

Product Features and Specifications

This Dorman suspension control arm and ball joint assembly (part number 520-231) is designed specifically for Ford Focus vehicles. The control arm is constructed from durable steel with a black finish, measuring a maximum length of 237 mm and a width of 288.5 mm. It features a single mounting hole with a diameter of 12.3 mm, and includes rubber bushings to absorb vibrations and improve ride quality. The ball joint is press-in mounted with a pinch stud type and a thread diameter of 14 mm, pre-installed and pre-greased to ensure smooth operation right out of the box. Mounting hardware is included to facilitate a straightforward replacement process. This assembly is intended for light suspension grade applications and is not adjustable.

Applications and Problem Solving

• Restores proper suspension geometry and steering control on Ford Focus models
• Replaces worn or damaged control arms and ball joints causing uneven tire wear
• Eliminates clunking noises and improves vehicle handling stability
• Addresses suspension issues related to degraded bushings and ball joints
• Helps correct alignment problems resulting from bent or broken control arms

Installation Notes and Tips

Before installation, verify compatibility with your specific Ford Focus model year. The assembly comes pre-greased and includes all necessary mounting hardware, simplifying the replacement process. Use appropriate tools to press out the old ball joint if necessary, and torque all fasteners to manufacturer specifications. Since this control arm is not adjustable, alignment should be checked and corrected after installation to ensure optimal vehicle handling.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-231 suspension control arm and ball joint assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation for exact warranty terms.