Dorman 521-148 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-148 suspension control arm and ball joint assembly is engineered for reliable performance in Dodge Dakota, Dodge Ram, and Mitsubishi Raider vehicles. Designed with pre-greased components and rubber bushings, this assembly ensures smooth suspension operation and improved handling.

• Pre-greased for immediate use without additional lubrication
• Includes rubber bushings for vibration dampening
• Press-in ball joint with threaded stud for secure mounting
• Constructed from durable iron with a black finish
• Mounting hardware included for straightforward installation
• Compatible with Dodge Dakota, Dodge Ram, and Mitsubishi Raider models
• Control arm dimensions: maximum width 288.5 mm, maximum length 237 mm

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 521-148) is built with a casting/forged iron control arm that provides structural strength and durability. The assembly comes pre-greased, eliminating the need for initial lubrication, and includes rubber bushings to reduce noise and absorb road vibrations. The ball joint is press-in mounted with a threaded stud type, featuring a 14 mm thread diameter for secure attachment. The control arm is finished in black to resist corrosion and includes one mounting hole with a diameter of 12.3 mm. Mounting hardware is included to facilitate installation.

Compatible Vehicles and Applications

This Dorman suspension control arm and ball joint assembly is compatible with select Dodge and Mitsubishi models, specifically the Dodge Dakota, Dodge Ram, and Mitsubishi Raider. It is designed for light suspension grade applications, making it suitable for regular driving conditions and light-duty use.

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 vibration
• Misalignment due to bent or weakened control arms
• Reduced handling performance and vehicle control

Installation Notes and Tips

Installation of the Dorman 521-148 assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and press-in mounted, no separate ball joint installation 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 components for damage before installation. Proper torque specifications should be followed to maintain safety and performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-148 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.