Dorman 521-057 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

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

The Dorman 521-057 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 ensures reliable operation and long service life.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete replacement
• Steel control arm with a black finish for corrosion resistance
• Press-in ball joint with pinch-type stud, installed and ready to use
• Compatible with light suspension grade requirements
• One mounting hole with 12.3 mm diameter for secure 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 521-057) is designed specifically for Hyundai Santa Fe vehicles. The control arm is constructed from durable steel using casting and forging methods to provide strength and rigidity. It comes pre-greased, eliminating the need for additional lubrication during installation. The assembly includes rubber bushings to absorb vibrations and reduce noise, enhancing ride comfort. The ball joint is press-in mounted with a pinch-type stud and a 14 mm thread diameter, ensuring a secure connection to the suspension system. Mounting hardware is included for a straightforward replacement process.

Common Applications and Problem Resolution

• Restores proper wheel alignment and steering control
• Eliminates clunking or knocking noises from worn suspension components
• Addresses uneven tire wear caused by faulty control arms or ball joints
• Improves vehicle handling and stability on the road
• Replaces damaged or corroded suspension parts to maintain safety

Installation Notes and Tips

Installation of the Dorman 521-057 control arm and ball joint assembly requires basic suspension knowledge and 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’s frame using the included hardware. It is recommended to have a professional alignment performed after installation to maintain proper suspension geometry 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 521-057 assembly undergoes rigorous quality control to ensure durability and performance. This part is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship under normal use.