Dorman 520-239 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-239 suspension control arm and ball joint assembly is engineered for reliable performance in Ford and Mazda trucks. Designed specifically for models like the Ford Ranger and Mazda B2300, this assembly ensures proper suspension function and vehicle stability.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete replacement
• Steel construction with casting/forged control arm for strength and durability
• Press-in ball joint with pinch stud type, installed and ready to use
• Compatible with Ford B2300, B2500, B3000, B4000, and Ranger, as well as Mazda B2300 and B2500

Product Features and Specifications

This suspension control arm and ball joint assembly from Dorman is designed with a light suspension grade type, suitable for regular driving conditions. The control arm measures up to 288.5 mm in width and 237 mm in length, finished in black for corrosion resistance. It includes one mounting hole with a diameter of 12.3 mm, and the ball joint features a 14 mm thread diameter. Rubber bushings are included to reduce vibration and noise, while the assembly comes pre-greased to minimize maintenance needs. Mounting hardware is also provided to facilitate installation.

Compatible Vehicles and Applications

This Dorman 520-239 assembly is compatible with several Ford and Mazda truck models, including:

• Ford Ranger
• Ford B2300, B2500, B3000, B4000
• Mazda B2300, B2500

It is designed to replace worn or damaged suspension control arms and ball joints, restoring proper suspension geometry and vehicle handling.

Common Issues Addressed by This Assembly

• Excessive suspension noise or clunking
• Uneven tire wear due to misalignment
• Loose or unstable steering feel
• Vibration or harshness while driving
• Worn or damaged ball joints and bushings

Installation Notes and Tips

Installation of the Dorman 520-239 control arm and ball joint 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 all mounting hardware is securely tightened to manufacturer torque specifications. Although the assembly is pre-greased, inspect bushings and joints during installation for any signs of damage. This part is not adjustable, so alignment should be checked and corrected after installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 520-239 suspension control arm and ball joint assembly undergoes quality inspections to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.