Dorman 520-331 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly for Dodge Ram

The Dorman 520-331 suspension control arm and ball joint assembly is engineered for reliable performance in Dodge Ram 2500 and Ram 3500 trucks. Designed with pre-greased components and included bushings, this assembly ensures smooth suspension operation and long-lasting durability.

• Pre-greased for immediate use without additional lubrication
• Includes rubber bushings for effective vibration dampening
• Steel construction with casting/forged control arm for strength
• Press-in ball joint with threaded stud for secure mounting
• Mounting hardware included for straightforward installation
• Compatible with Dodge Ram 2500 and Ram 3500 models

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 520-331) is built 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. The ball joint is installed and features a 14 mm threaded stud with a 12.3 mm mounting hole diameter, ensuring a precise fit. Rubber bushings are included to reduce noise and absorb shocks, while the assembly comes with all necessary mounting hardware for a complete replacement.

Applications and Problem Solving

This Dorman control arm and ball joint assembly is designed specifically for Dodge Ram 2500 and Ram 3500 trucks, addressing common suspension issues such as:

• Worn or damaged control arms causing poor handling
• Ball joint wear leading to steering instability
• Excessive suspension noise or vibration
• Loose or damaged bushings affecting ride quality
• Corrosion or fatigue in original suspension components

Installation Notes and Tips

Installation of the Dorman 520-331 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 the mounting hole aligns correctly with the vehicle’s frame using the included hardware. Although the assembly is pre-greased, inspect all connections for proper torque specifications according to Dodge Ram service guidelines. This part is not adjustable, so verify fitment before installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for durability and fit. The 520-331 control arm and ball joint assembly undergoes rigorous quality checks to ensure reliable performance on Dodge Ram 2500 and Ram 3500 trucks. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.