Dorman 520-961 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Rearward

Durable Suspension Control Arm and Ball Joint Assembly for BMW 5 Series

The Dorman 520-961 suspension control arm and ball joint assembly is engineered for reliable performance in BMW 525i, 528i, and 530i models. Designed with precision, this assembly ensures proper suspension function and vehicle stability.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete replacement
• Aluminum control arm with a black finish for corrosion resistance
• Press-in ball joint with threaded stud for secure mounting
• Compatible with BMW 525i, 528i, and 530i models

Product Features and Specifications

This suspension control arm and ball joint assembly from Dorman is constructed from forged and cast aluminum, providing a balance of strength and lightweight design. The assembly comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to absorb vibrations and reduce noise, enhancing ride comfort. The ball joint is installed and features a threaded stud type with a 14 mm thread diameter, ensuring a secure fit. Mounting hardware is included, and the control arm features a single mounting hole with a diameter of 12.3 mm. The control arm measures up to 288.5 mm in width and 237 mm in length, designed specifically for suspension grade light applications.

Compatible BMW Models and Applications

This Dorman 520-961 assembly is compatible with the following BMW models:

• BMW 525i
• BMW 528i
• BMW 530i

It is designed to replace worn or damaged suspension control arms and ball joints, restoring proper suspension geometry and vehicle handling.

Common Suspension Issues Addressed

• Excessive suspension noise or clunking
• Uneven tire wear due to misalignment
• Loose or unstable steering feel
• Vibration or harshness during driving
• Worn or damaged control arm bushings and ball joints

Installation Notes and Tips

Installation of the Dorman 520-961 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and the control arm is pre-greased, the assembly is ready for direct installation. Ensure all mounting hardware is torqued to manufacturer specifications. Alignment is recommended after installation to maintain proper handling and tire wear.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 520-961 suspension control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in your replacement part.