Dorman 521-116 Suspension Control Arm and Ball Joint Assembly - Front Left Upper, Front Right Upper or Front Upper

Durable Suspension Control Arm and Ball Joint Assembly for Jeep

The Dorman 521-116 suspension control arm and ball joint assembly is engineered for reliable performance in Jeep Commander and Grand Cherokee models. Designed with quality materials and pre-greased components, this assembly supports smooth suspension operation and vehicle stability.

• Pre-greased for immediate use without additional lubrication
• Includes rubber bushings and mounting hardware for a complete installation
• Iron control arm with a black finish for durability and corrosion resistance
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Jeep Commander and Grand Cherokee suspension systems

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 521-116) features a light suspension grade type suitable for regular driving conditions. The control arm is constructed from forged and cast iron, measuring up to 288.5 mm in width and 237 mm in length, providing structural strength. The assembly includes rubber bushings to absorb vibrations and reduce noise, enhancing ride comfort. The ball joint is pre-installed and features a 14 mm threaded stud with a press-in mounting type, ensuring a secure fit. Mounting hardware is included, and the control arm has one mounting hole with a diameter of 12.3 mm. The black finish offers corrosion resistance to extend the part's service life.

Compatible Jeep Models and Applications

This Dorman suspension control arm and ball joint assembly is specifically designed for Jeep Commander and Jeep Grand Cherokee vehicles. It is ideal for replacing worn or damaged suspension components to restore proper steering and handling performance. The assembly supports suspension systems requiring a light suspension grade control arm with integrated ball joint and bushings.

• Restores proper suspension geometry and alignment
• Eliminates clunking or knocking noises from worn ball joints or bushings
• Improves vehicle handling and steering response
• Reduces vibration and harshness during driving
• Prevents premature tire wear caused by suspension issues

Installation Notes and Tips

Installation of the Dorman 521-116 control arm and ball joint assembly requires basic suspension repair tools and mechanical knowledge. Since the ball joint is pre-installed and the control arm is pre-greased, no additional lubrication is necessary during installation. Ensure the mounting hole aligns correctly with the vehicle frame and suspension components. Torque all mounting hardware to manufacturer specifications. It is recommended to perform a wheel alignment after installation to maintain proper suspension geometry and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-116 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. This part comes with a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for Jeep Commander and Grand Cherokee applications.