Dorman 520-172 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 520-172 suspension control arm and ball joint assembly is engineered for reliable performance in Chevrolet and GMC trucks and SUVs. Designed to meet regular suspension grade requirements, this assembly provides a durable solution for vehicles like the Chevrolet Tahoe and GMC Yukon.

• Pre-greased control arm and ball joint for immediate use
• Includes rubber bushings and mounting hardware for straightforward installation
• Iron control arm with casting/forged construction for strength
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Chevrolet and GMC models including C1500, C2500, Express 2500, and Savana 3500

Detailed Product Features and Specifications

The Dorman 520-172 control arm and ball joint assembly features a black iron control arm constructed through casting and forging processes, ensuring structural integrity under light suspension loads. The assembly comes pre-greased, eliminating the need for initial lubrication, although it does not include a grease fitting. Rubber bushings are included to absorb vibrations and reduce noise, enhancing ride quality. The ball joint is press-in mounted with a 14 mm threaded stud, providing a secure connection to the suspension system. This assembly includes one mounting hole with a diameter of 12.3 mm and comes with all necessary mounting hardware for installation.

Compatible Vehicles and Applications

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

• Chevrolet C35, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500
• Chevrolet Express 2500, Express 3500, Tahoe
• GMC G30, Savana 2500, Savana 3500, Yukon

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Ball joint wear leading to uneven tire wear or clunking noises
• Corroded or weakened control arm compromising suspension alignment
• Loose or damaged mounting hardware affecting vehicle handling
• Vibration and noise from deteriorated suspension components

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before beginning installation
• Remove old control arm and ball joint assembly carefully to avoid damage to surrounding components
• Verify that the new assembly matches the original part number 520-172 for proper fitment
• Torque mounting hardware to manufacturer specifications for safety and performance
• Check alignment after installation to maintain proper handling characteristics

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-172 suspension control arm and ball joint assembly undergoes rigorous quality control to ensure durability and reliability. This product includes a limited warranty covering defects in material and workmanship, providing confidence in its long-term performance on Chevrolet and GMC vehicles.