Dorman 520-339 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Durable Suspension Control Arm and Ball Joint Assembly for Mazda 6 and CX-5

The Dorman 520-339 suspension control arm and ball joint assembly is designed specifically for Mazda 6 and CX-5 models. This pre-greased, stamped steel control arm offers reliable performance and includes a fully installed ball joint to help maintain proper suspension geometry and vehicle handling.

Key Features of Dorman 520-339 Suspension Control Arm

• Pre-greased for immediate use and reduced maintenance
• Includes rubber bushings for vibration dampening and noise reduction
• Stamped steel construction ensures strength and durability
• Bolt-in ball joint with pinch stud type for secure mounting
• Designed for light suspension grade applications
• Black finish for corrosion resistance
• Two mounting holes with 16 mm diameter for precise fitment
• Compatible with Mazda 6 and CX-5 models

Detailed Product Description

The Dorman 520-339 suspension control arm and ball joint assembly is engineered to meet the specifications of Mazda 6 and CX-5 vehicles. Constructed from stamped steel, this control arm provides a sturdy and reliable connection between the vehicle frame and suspension components. The assembly comes pre-greased, eliminating the need for initial lubrication and helping to extend the service life of the ball joint. Rubber bushings are included to absorb road vibrations and reduce noise, contributing to a smoother ride. The ball joint is installed and features a pinch stud mounting type, which secures the joint firmly in place without the need for additional grease fittings. This assembly is designed for light suspension grade use and is not adjustable, ensuring consistent alignment and handling characteristics.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing excessive play or noise
• Ball joint wear leading to steering instability or uneven tire wear
• Corrosion or fatigue in original control arm compromising suspension integrity
• Vibration and harshness due to deteriorated suspension components
• Misalignment issues affecting vehicle handling and tire life

Installation Notes and Tips

Installation of the Dorman 520-339 control arm and ball joint assembly requires removal of the old control arm and ball joint. Since mounting hardware is not included, reuse existing bolts or acquire new hardware as needed. The pre-greased ball joint eliminates the need for additional lubrication during installation. Ensure proper torque specifications are followed for the two 16 mm mounting holes to maintain suspension safety and performance. Alignment check and adjustment after installation is recommended to ensure optimal 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 520-339 assembly undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on suspension parts to cover defects in materials and workmanship.