Dorman 521-635 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Reliable Suspension Control Arm and Ball Joint Assembly

The Dorman 521-635 suspension control arm and ball joint assembly is designed specifically for Mazda B2000, B2200, and B2600 models. This pre-greased, steel control arm offers a durable solution for maintaining proper suspension geometry and vehicle handling.

• Pre-greased for immediate installation and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete assembly
• Ball joint installed with a threaded stud and bolt-in mounting type
• Constructed from forged and cast steel for strength and durability
• Compatible with Mazda B2000, B2200, and B2600 suspension systems

Durable Construction and Design Features

The Dorman 521-635 control arm assembly features a black-painted steel construction combining casting and forging processes to ensure structural integrity. The included rubber bushings help absorb road vibrations, while the pre-installed ball joint with a 14mm threaded stud and bolt-in mounting type simplifies replacement. This assembly is designed with a single mounting hole of 12.3 mm diameter and measures up to 288.5 mm in width and 237 mm in length, matching the original equipment specifications for Mazda B2000, B2200, and B2600 models. The suspension grade type is light, suitable for regular driving conditions.

Compatible Applications and Common Repairs

This suspension control arm and ball joint assembly is compatible with the following Mazda models:

• Mazda B2000
• Mazda B2200
• Mazda B2600

It is commonly used to address issues such as:

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Suspension noise or clunking during driving
• Misalignment affecting vehicle handling and safety
• Corrosion or physical damage to the original control arm

Installation Notes and Tips

The Dorman 521-635 assembly comes pre-greased and includes all necessary mounting hardware, allowing for straightforward installation. Since the ball joint is already installed and uses a bolt-in mounting type with a threaded stud, it reduces installation time. Ensure proper torque specifications are followed for mounting bolts and ball joint stud to maintain safety and performance. This control arm is not adjustable, so alignment should be checked and corrected after installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards, providing reliable performance for Mazda B2000, B2200, and B2600 vehicles. The 521-635 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.