Dorman 520-439 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 520-439 suspension control arm and ball joint assembly is designed specifically for Honda Civic models. This pre-greased, stamped steel control arm offers a reliable replacement solution for light suspension grade applications, ensuring proper vehicle handling and alignment.

• Pre-greased for immediate use
• Includes rubber bushings for vibration dampening
• Stamped steel construction for durability
• Bolt-in ball joint with threaded stud for secure mounting
• Compatible with Honda Civic suspension systems
• Mounting hardware included for straightforward installation

Detailed Product Description

The Dorman 520-439 suspension control arm and ball joint assembly is engineered with a stamped steel control arm finished in black for corrosion resistance. It features a single mounting hole with a diameter of 12.3 mm and measures up to 288.5 mm in width and 237 mm in length, designed to match the original equipment specifications for Honda Civic vehicles. The assembly includes rubber bushings that help absorb road vibrations and reduce noise, contributing to a smoother ride. The ball joint is pre-installed and pre-greased, eliminating the need for additional lubrication during installation. Its bolt-in mounting type and threaded ball joint stud with a 14 mm thread diameter provide a secure and precise fit. This assembly is intended for light suspension grade use and is not adjustable, maintaining factory alignment settings.

Common Applications and Problem Resolution

• Replacement for worn or damaged suspension control arms on Honda Civic models
• Addresses issues with uneven tire wear caused by faulty control arms
• Resolves clunking or knocking noises from suspension components
• Improves vehicle handling and steering response
• Restores proper suspension geometry after impact or wear

Installation Notes and Tips

Installation of the Dorman 520-439 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 hole aligns correctly with the vehicle’s frame and suspension components. Torque all bolts to manufacturer specifications to maintain safety and performance. This part is not adjustable, so alignment should be checked and corrected after installation.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-439 assembly undergoes quality inspections to ensure durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their suspension parts. Refer to official Dorman documentation for exact warranty terms.