Dorman 522-178 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 522-178 suspension control arm and ball joint assembly is engineered for reliable performance in light suspension applications. Designed specifically for select Cadillac, Chevrolet, and GMC models, this assembly ensures proper suspension function and vehicle stability.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete replacement
• Steel control arm with casting/forged construction for strength and durability
• Press-in ball joint with threaded stud, installed and ready to use
• Compatible with multiple GM trucks and SUVs including Silverado, Tahoe, Yukon, Escalade, and Express series

Product Features and Specifications

The Dorman 522-178 control arm assembly features a black steel control arm measuring up to 288.5 mm in width and 237 mm in length. It includes a single mounting hole with a diameter of 12.3 mm and rubber bushings to absorb road vibrations. The ball joint is press-in mounted with a 14 mm threaded stud, providing secure attachment and ease of installation. This assembly is pre-greased, eliminating the need for additional lubrication during installation. Mounting hardware is included to facilitate a straightforward replacement process. The control arm is designed for light suspension grade applications, suitable for regular driving conditions.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with a range of GM vehicles, including:

• Cadillac Escalade
• Chevrolet C35, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, Silverado, Tahoe
• GMC C1500, C2500, C3500, Yukon
• Chevrolet and GMC Express 1500, 2500, 3500
• Chevrolet and GMC Savana 1500, 2500, 3500

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling
• Faulty ball joints leading to uneven tire wear or steering play
• Corroded or bent control arms affecting suspension alignment
• Excessive noise or vibration from suspension components
• Failed suspension components impacting vehicle stability and safety

Installation Notes and Tips

Before installation, verify vehicle compatibility with the Dorman 522-178 part number. The assembly comes pre-greased and includes mounting hardware, simplifying the replacement process. Use proper tools to press out the old ball joint if necessary, and torque all fasteners to manufacturer specifications. Since this control arm is not adjustable, ensure alignment is checked and corrected after installation. Professional installation is recommended for optimal safety and performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 522-178 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and fitment accuracy. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in long-term reliability.