Dorman 520-726 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 520-726 suspension control arm and ball joint assembly is designed specifically for BMW 320i models. This pre-greased, iron control arm with integrated ball joint offers a reliable replacement solution for light suspension 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 iron with a black finish
• Compatible with BMW 320i suspension systems

Detailed Product Description

This Dorman suspension control arm and ball joint assembly (part number 520-726) is engineered as a casting/forged iron component, providing strength and durability for regular grade suspension use. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. It features a single mounting hole with a 12.3 mm diameter and includes rubber bushings to absorb road vibrations and reduce noise. The ball joint is press-in mounted and installed, with a 14 mm threaded stud to ensure a secure connection to the vehicle’s suspension system. The control arm measures up to 288.5 mm in width and 237 mm in length, designed to meet the exact specifications required for BMW 320i models.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with BMW 320i vehicles requiring a light suspension grade replacement part. It is intended for use in suspension systems where a regular grade, non-adjustable control arm is specified. The assembly addresses common suspension issues related to control arm wear and ball joint failure.

• Worn or damaged control arm bushings causing uneven tire wear
• Loose or failing ball joints affecting steering stability
• Suspension noise or vibrations during driving
• Misalignment issues impacting vehicle handling
• Corrosion or damage to original control arm components

Installation Notes and Tips

Installation of the Dorman 520-726 control arm and ball joint assembly should be performed by a qualified technician familiar with BMW suspension systems. Since the ball joint is pre-installed and the control arm is pre-greased, no additional lubrication is necessary. Ensure all mounting hardware is securely tightened to manufacturer torque specifications. Alignment should be checked and adjusted after installation to maintain proper vehicle handling and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-726 assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official documentation for complete warranty information.