Dorman 520-442 Suspension Control Arm and Ball Joint Assembly - Front Left Lower or Front Right Lower

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 520-442 suspension control arm and ball joint assembly is designed specifically for Toyota Starlet models. This pre-greased, ready-to-install component ensures reliable suspension performance and helps maintain proper vehicle alignment.

• Pre-greased for immediate use
• Includes rubber bushings and mounting hardware
• Press-in ball joint with threaded stud
• Constructed from durable iron with a black finish
• Compatible with Toyota Starlet suspension systems

Detailed Product Features and Specifications

This suspension control arm and ball joint assembly (part number 520-442) is engineered with a casting/forged iron control arm for strength and durability. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. It includes rubber bushings to absorb road vibrations and reduce noise, along with mounting hardware for a complete replacement solution. The ball joint is press-in mounted and features a threaded stud with a 14 mm thread diameter, ensuring secure attachment to the suspension system. The control arm measures up to 288.5 mm in width and 237 mm in length, with a single mounting hole of 12.3 mm diameter for precise fitment.

Compatible Vehicles and Application

This Dorman suspension control arm and ball joint assembly is compatible with Toyota Starlet models. It is designed to replace worn or damaged suspension components, restoring proper handling and ride quality.

• Corrects suspension misalignment
• Eliminates clunking or knocking noises from worn ball joints
• Improves steering response and stability
• Reduces uneven tire wear caused by faulty control arms
• Restores suspension geometry for safer driving

Installation Notes and Tips

Installation of the Dorman 520-442 assembly requires basic suspension repair tools. Since the ball joint is pre-installed and the control arm is pre-greased, the assembly is ready for immediate installation. Ensure the mounting hole aligns correctly with the vehicle’s suspension frame and torque all fasteners to manufacturer specifications. Although grease fittings are not included, the pre-greased components provide sufficient lubrication for initial use. Professional installation is recommended to maintain suspension integrity and safety.

Quality Assurance and Warranty Information

Dorman suspension components are manufactured to meet or exceed OEM standards. The 520-442 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. This part is backed by Dorman’s limited warranty, covering defects in materials and workmanship under normal use conditions.