Dorman 521-880 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 521-880 suspension control arm and ball joint assembly is designed for reliable performance in Ford and Mercury vehicles, including the Five Hundred, Freestyle, and Montego models. This pre-greased, steel control arm assembly comes complete with rubber bushings and a threaded ball joint for straightforward installation and durable operation.

• Pre-greased for immediate use
• Includes rubber bushings and mounting hardware
• Steel construction with casting/forged control arm type
• Press-in ball joint with threaded stud (14 mm thread diameter)
• Compatible with Ford Five Hundred, Mercury Freestyle, and Montego

Detailed Product Features and Specifications

The Dorman 521-880 control arm assembly features a light suspension grade type suitable for regular driving conditions. 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 includes one mounting hole with a diameter of 12.3 mm, and the assembly comes with all necessary mounting hardware for a complete replacement. The ball joint is installed and press-fitted, ensuring a secure fit, and the rubber bushings help absorb road vibrations for improved ride quality.

Compatible Vehicles and Application

This suspension control arm and ball joint assembly is compatible with specific Ford and Mercury models, including:

• Ford Five Hundred
• Mercury Freestyle
• Mercury Montego

Use the Dorman 521-880 part number when searching for a replacement control arm and ball joint assembly for these vehicles to ensure proper fitment and performance.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Excessive suspension noise or clunking during driving
• Misalignment issues affecting vehicle handling
• Corroded or weakened control arm compromising suspension integrity

Installation Notes and Tips

Installation of the Dorman 521-880 assembly requires basic suspension repair tools. Since the ball joint is pre-installed and the control arm is pre-greased, the assembly simplifies the replacement process. Ensure the mounting hole aligns correctly with the vehicle’s frame and torque all hardware to manufacturer specifications. This part is not adjustable, so proper alignment should be verified after installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-880 suspension control arm and ball joint assembly undergoes quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.