Dorman 520-865 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly for Mazda Vehicles

The Dorman 520-865 suspension control arm and ball joint assembly is engineered to restore proper suspension function for Mazda 3, Mazda 3 Sport, and Mazda 5 models. Designed with quality steel construction and pre-installed ball joints, this assembly offers a reliable replacement option for light suspension grade applications.

• Pre-greased ball joint for immediate use
• Includes rubber bushings and mounting hardware
• Steel control arm with casting/forged construction
• Press-in ball joint with pinch stud type
• Compatible with Mazda 3, 3 Sport, and 5 models

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 520-865) features a black steel control arm designed for light suspension grade use. The assembly includes rubber bushings to absorb vibrations and reduce noise, along with mounting hardware for straightforward installation. The ball joint is press-in mounted with a pinch stud type and comes pre-greased, eliminating the need for additional lubrication. 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 to ensure proper fitment.

Compatible Mazda Models and Applications

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

• Mazda 3 (various model years)
• Mazda 3 Sport
• Mazda 5

It is designed to meet the suspension requirements of these models, providing a direct replacement for worn or damaged control arms and ball joints.

Common Suspension Issues Addressed

• Excessive suspension noise or clunking
• Uneven tire wear due to misalignment
• Loose or worn ball joints affecting steering control
• Vibration or instability during driving
• Damaged or deteriorated control arm bushings

Installation Notes and Tips

Installation of the Dorman 520-865 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and pre-greased, no additional lubrication is necessary. Ensure the mounting hardware is securely tightened to manufacturer torque specifications. This assembly is not adjustable, so alignment should be checked and corrected after installation to maintain proper vehicle handling.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 520-865 suspension control arm and ball joint assembly undergoes quality inspections to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship.