Dorman 521-423 Suspension Control Arm and Ball Joint Assembly - Front Left Upper or Front Right Upper

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-423 suspension control arm and ball joint assembly is engineered for reliable performance in Dodge Dakota, Mitsubishi Raider, and Ram vehicles. Designed with quality materials and pre-greased components, this assembly ensures smooth suspension operation and improved vehicle handling.

• Pre-greased for immediate installation and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete setup
• Iron control arm with casting/forged construction for strength and durability
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Dodge Dakota, Mitsubishi Raider, and Ram models

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 521-423) features a light suspension grade type suitable for regular driving conditions. The control arm is constructed from iron 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 comes with rubber bushings to absorb vibrations and reduce noise. The ball joint is installed and ready to use, featuring a press-in mounting type and a 14 mm threaded stud for secure attachment. Mounting hardware is included to facilitate installation.

Compatible Vehicles and Applications

This assembly is specifically designed for use with Dodge Dakota, Mitsubishi Raider, and Ram trucks. It is ideal for replacing worn or damaged suspension control arms and ball joints to restore proper steering and suspension function.

• Eliminates suspension noise caused by worn bushings or ball joints
• Restores proper wheel alignment and handling stability
• Addresses uneven tire wear due to faulty control arm components
• Improves ride comfort by reducing suspension vibrations
• Prevents further suspension damage by maintaining correct geometry

Installation Notes and Tips

Before installation, verify vehicle compatibility with the Dorman 521-423 part number. The assembly comes pre-greased and includes all necessary mounting hardware, simplifying the replacement process. Use appropriate tools to press out the old ball joint if necessary, and torque mounting bolts to manufacturer specifications. Since this control arm is not adjustable, ensure proper alignment after installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-423 control arm and ball joint assembly undergoes rigorous 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.