Dorman 522-785 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Rearward

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 522-785 suspension control arm and ball joint assembly is designed specifically for Lexus LS460 models. This pre-greased, aluminum control arm assembly offers a reliable replacement solution for light suspension grade applications, ensuring proper vehicle handling and alignment.

• Pre-greased for immediate use without additional lubrication
• Includes rubber bushings for vibration dampening
• Aluminum control arm with casting/forged construction for durability
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Lexus LS460 suspension systems
• Mounting hardware included for straightforward installation
• Control arm dimensions: maximum width 288.5 mm, maximum length 237 mm
• Black finish for corrosion resistance and aesthetic consistency

Detailed Product Description

The Dorman 522-785 suspension control arm and ball joint assembly is engineered to meet the specific suspension requirements of the Lexus LS460. Constructed from durable aluminum with a casting and forging process, this control arm provides a balance of strength and lightweight performance. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to reduce noise and absorb road vibrations, contributing to a smoother ride quality.

The ball joint is press-in mounted and features a threaded stud with a 14 mm thread diameter, ensuring a secure and precise fit. This assembly is designed for light suspension grade use, making it suitable for regular driving conditions. The control arm includes one mounting hole with a diameter of 12.3 mm, and the entire assembly is finished in black to resist corrosion and wear.

Common Applications and Problem Resolution

• Replacement for worn or damaged suspension control arms on Lexus LS460
• Addresses issues with vehicle alignment and uneven tire wear
• Resolves clunking or knocking noises from suspension components
• Improves steering response and overall handling stability
• Restores proper suspension geometry after impact or wear

Installation Notes and Tips

Installation of the Dorman 522-785 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the part comes pre-greased and includes bushings and mounting hardware, preparation time is reduced. Ensure the vehicle is securely lifted and supported before removal of the old control arm. Verify torque specifications for mounting bolts and ball joint stud to maintain safety and performance standards. Alignment check after installation is recommended to ensure proper suspension geometry.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 522-785 assembly undergoes rigorous quality control to ensure durability and reliability in service. While specific warranty details are not provided here, Dorman typically offers limited warranties on suspension parts to cover defects in materials and workmanship.