Dorman 520-340 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-340 suspension control arm and ball joint assembly is engineered for reliable performance in Mazda 6 and CX-5 models. Designed with a stamped steel control arm and pre-greased ball joint, this assembly supports smooth suspension operation and vehicle handling.

• Pre-greased ball joint for immediate use
• Includes rubber bushings for vibration dampening
• Stamped steel control arm construction in black finish
• Press-in ball joint with pinch stud mounting
• Compatible with Mazda 6 and CX-5 suspension systems

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 520-340) features a light suspension grade type suitable for regular driving conditions. The control arm is made from durable stamped steel, measuring up to 457.2 mm in width and 431.8 mm in length, finished in black for corrosion resistance. The assembly includes rubber bushings to reduce noise and absorb road vibrations, enhancing ride comfort. The ball joint is installed and pre-greased, eliminating the need for immediate maintenance after installation. It uses a press-in mounting type with a pinch stud and has a ball joint thread diameter of 19.3 mm. The assembly has one mounting hole with a diameter of 16.1 mm, designed for direct replacement on compatible Mazda 6 and CX-5 vehicles.

Compatible Vehicles and Applications

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

• Mazda 6
• Mazda CX-5

It is designed to restore proper suspension geometry and improve steering response, making it suitable for addressing issues related to worn or damaged control arms and ball joints.

Common Suspension Issues Addressed

• Excessive play or looseness in the front suspension
• Uneven tire wear caused by misalignment
• Clunking or knocking noises during driving
• Reduced steering stability and control
• Vibration or harshness transmitted through the suspension

Installation Notes and Tips

Installation of the Dorman 520-340 control arm and ball joint assembly requires basic suspension knowledge and appropriate tools. Since mounting hardware is not included, reuse existing bolts or acquire new hardware as needed. The pre-greased ball joint simplifies installation, but verify torque specifications and alignment after replacement. It is recommended to have a professional alignment performed following installation to ensure optimal suspension performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 520-340 assembly undergoes quality inspections to ensure durability and reliability. While specific warranty details are not provided here, Dorman typically offers limited warranties on suspension parts; consult product documentation or the manufacturer for exact terms.