Dorman 520-489 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly for Ford Focus

The Dorman 520-489 suspension control arm and ball joint assembly is designed specifically for Ford Focus models, providing reliable suspension performance. This pre-greased, steel control arm assembly includes all necessary mounting hardware and a factory-installed ball joint for straightforward replacement.

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings for vibration dampening
• Steel construction with casting/forged control arm type for strength
• Ball joint installed with pinch stud and bolt-in mounting
• Mounting hardware included for complete installation
• Compatible with Ford Focus suspension systems requiring a light suspension grade type

Product Features and Specifications

The Dorman 520-489 control arm and ball joint assembly features a black steel control arm measuring up to 288.5 mm in width and 237 mm in length. It is designed with a single 12.3 mm mounting hole and includes rubber bushings to absorb road shocks and reduce noise. The ball joint is pre-installed with a 14 mm thread diameter pinch stud, secured by bolt-in mounting for a secure fit. This assembly is pre-greased, eliminating the need for additional lubrication during installation. The suspension grade type is light, suitable for regular driving conditions on Ford Focus vehicles.

Common Applications and Problem Resolution

• Replaces worn or damaged control arms causing poor handling or alignment issues
• Addresses suspension noise due to deteriorated bushings or ball joints
• Restores proper suspension geometry for improved tire wear
• Eliminates excessive vibration and steering play
• Suitable for Ford Focus models requiring a light suspension grade control arm

Installation Notes and Tips

Installation of the Dorman 520-489 assembly requires basic suspension tools and mechanical knowledge. Since the ball joint is pre-installed and the control arm is pre-greased, the process is simplified. Ensure the mounting hole aligns correctly with the vehicle’s frame and torque all bolts to manufacturer specifications. No grease fitting is included, so no additional lubrication is necessary after installation. It is recommended to have a professional alignment performed after replacement to maintain proper suspension geometry.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for durability and fitment. The 520-489 control arm and ball joint assembly undergoes rigorous quality control to ensure reliable performance on Ford Focus vehicles. While specific warranty details are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or Dorman directly for warranty terms.