Dorman 521-042 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Durable Suspension Control Arm and Ball Joint Assembly for Ford Expedition

The Dorman 521-042 suspension control arm and ball joint assembly is engineered to restore precise steering and suspension performance for your Ford Expedition. Designed with quality materials and pre-greased components, this assembly ensures reliable operation and long service life.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete replacement
• Iron control arm with casting/forged construction for strength and durability
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Ford Expedition models requiring a light suspension grade type

Product Features and Specifications

This Dorman suspension control arm and ball joint assembly (part number 521-042) features a black iron control arm measuring up to 288.5 mm in width and 237 mm in length. The assembly includes a pre-installed ball joint with a 14 mm threaded stud and a 12.3 mm mounting hole diameter. Rubber bushings are included to reduce vibration and noise, while the mounting hardware simplifies installation. The assembly is designed for a light suspension grade type and is not adjustable, ensuring a direct fit replacement for compatible Ford Expedition vehicles.

Compatible Applications and Use Cases

This control arm and ball joint assembly is specifically compatible with Ford Expedition models. It is intended to address common suspension issues such as:

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Excessive suspension noise or vibration
• Alignment problems due to bent or compromised control arms
• Reduced handling performance and vehicle control

Installation Notes and Tips

Installation of the Dorman 521-042 assembly requires basic suspension repair tools. Since the ball joint is pre-installed and the control arm is pre-greased, the assembly is ready for direct installation. Ensure the mounting hole aligns properly with the vehicle’s frame and torque all hardware to manufacturer specifications. This assembly does not include a grease fitting, so no additional greasing is necessary after installation.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-042 suspension control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. This product comes with a limited warranty covering defects in material and workmanship, providing confidence in your replacement part for your Ford Expedition.