Dorman 521-499 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Reliable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-499 suspension control arm and ball joint assembly is engineered for Chevrolet Astro and GMC Safari vehicles. Designed to restore proper suspension function, this assembly combines durability and precision fitment for light suspension grade applications.

• Pre-greased control arm and ball joint for immediate use
• Includes rubber bushings and mounting hardware for complete installation
• Steel construction with casting/forged control arm type for strength
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Chevrolet Astro and GMC Safari models

Durable Design and Construction Details

This Dorman suspension control arm and ball joint assembly (part number 521-499) features a black steel control arm with a maximum width of 288.5 mm and length of 237 mm. The assembly includes rubber bushings to absorb road vibrations and reduce noise. The ball joint is installed and pre-greased, eliminating the need for additional lubrication during installation. The ball joint stud has a 14 mm threaded diameter and mounts via a press-in method, ensuring a secure fit. One mounting hole with a diameter of 12.3 mm is included, along with all necessary mounting hardware for a straightforward replacement process.

Compatible Vehicles and Application

This suspension control arm and ball joint assembly is specifically designed for light suspension grade use on Chevrolet Astro and GMC Safari models. It is intended to replace worn or damaged control arms and ball joints, restoring proper suspension geometry and vehicle handling.

• Corrects suspension misalignment and uneven tire wear
• Eliminates clunking or knocking noises from worn ball joints
• Improves steering response and vehicle stability
• Restores proper suspension travel and control

Installation Notes and Tips

Installation of the Dorman 521-499 assembly requires basic suspension repair tools. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary. Ensure the mounting hole aligns correctly with the vehicle frame and torque all hardware to manufacturer specifications. This assembly is not adjustable, so precise fitment is critical for optimal performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-499 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.