Dorman 521-670 Suspension Control Arm and Ball Joint Assembly - Front Right Upper

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 521-670 suspension control arm and ball joint assembly is designed specifically for Lexus Land Cruiser and Toyota LX470 models. This pre-greased, steel control arm assembly offers a reliable replacement solution for light suspension grade applications, ensuring proper vehicle handling and alignment.

• Pre-greased for immediate installation
• Includes rubber bushings and mounting hardware
• Press-in ball joint with threaded stud for secure fitment
• Constructed from durable steel with a black finish
• Compatible with Lexus Land Cruiser and Toyota LX470

Detailed Product Description

The Dorman 521-670 control arm and ball joint assembly is engineered with a casting/forged steel control arm that provides strength and durability for regular suspension use. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. It features rubber bushings to absorb road vibrations and reduce noise, enhancing ride comfort. The ball joint is press-in mounted and includes a threaded stud with a 14 mm thread diameter, ensuring a secure and precise connection to the vehicle’s suspension system. This assembly includes one mounting hole with a diameter of 12.3 mm and comes with all necessary mounting hardware for a straightforward replacement process.

Compatible Vehicles and Applications

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

• Lexus Land Cruiser
• Toyota LX470

It is designed to restore proper suspension geometry and improve handling performance for these models.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing poor handling
• Loose or failing ball joints leading to steering instability
• Excessive suspension noise or vibration
• Misalignment resulting in uneven tire wear
• Corroded or weakened control arm structure

Installation Notes and Tips

Before installation, verify compatibility with your Lexus Land Cruiser or Toyota LX470. The assembly is 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 the control arm is not adjustable, ensure alignment is checked and corrected after installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-670 suspension control arm and ball joint 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.