Dorman 520-578 Suspension Control Arm and Ball Joint Assembly - Rear Right Lower

Durable Suspension Control Arm and Ball Joint Assembly for Hyundai Santa Fe

The Dorman 520-578 suspension control arm and ball joint assembly is engineered to restore precise steering and suspension performance for Hyundai Santa Fe models. Designed with quality materials and pre-greased components, this assembly offers reliable operation and long service life.

• Pre-greased ball joint for immediate use without additional lubrication
• Includes rubber bushings and mounting hardware for a complete installation
• Constructed from durable iron with a black finish for corrosion resistance
• Press-in ball joint with threaded stud for secure mounting
• Compatible with light suspension grade requirements
• One mounting hole with 12.3 mm diameter for proper fitment
• Control arm dimensions: maximum length 237 mm, maximum width 288.5 mm

Product Details and Specifications

This Dorman suspension control arm and ball joint assembly (part number 520-578) is designed specifically for Hyundai Santa Fe vehicles requiring a light suspension grade component. The control arm is made from forged and cast iron, providing strength and durability under regular driving conditions. The assembly comes pre-greased, eliminating the need for initial lubrication, and includes rubber bushings to absorb road vibrations and reduce noise. The ball joint is press-in mounted with a threaded stud featuring a 14 mm thread diameter, ensuring a secure and stable connection. Mounting hardware is included to facilitate a straightforward installation process.

Common Applications and Problem Resolution

• Restores proper suspension geometry and alignment
• Eliminates clunking or knocking noises from worn control arms or ball joints
• Improves steering response and vehicle handling
• Replaces damaged or corroded suspension components
• Addresses uneven tire wear caused by faulty suspension parts

Installation Notes and Tips

Installation of the Dorman 520-578 control arm and ball joint assembly requires basic suspension repair tools and mechanical knowledge. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary during assembly. Ensure the mounting hole aligns correctly with the vehicle’s frame using the included hardware. Torque specifications should be followed according to Hyundai Santa Fe manufacturer guidelines. It is recommended to have a professional alignment performed after installation to maintain optimal handling and tire wear.

Quality Assurance and Warranty Information

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-578 control arm and ball joint assembly undergoes rigorous quality control to ensure durability and performance. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for Hyundai Santa Fe suspension repairs.