Dorman 520-631 Suspension Control Arm - Rear Left Lower Forward

Overview of Dorman Suspension Control Arm 520-631

The Dorman 520-631 suspension control arm is engineered for Acura and Honda vehicles, specifically designed to restore proper suspension geometry and handling. This steel control arm is coated black for corrosion resistance and includes a rubber bushing to reduce vibration and noise.

• Constructed from durable steel with casting and forging for strength
• Black coated finish for corrosion protection
• Includes one black rubber bushing with 14.3 mm inside diameter
• Overall length of 262.5 mm for precise fitment
• Welded ball joint mounting type with threaded stud (ball joint not included)
• Press-in end type with bushing linkage end
• Compatible with Acura TL and Honda Accord models

Detailed Product Description

The Dorman 520-631 suspension control arm is designed to meet the specifications required for Acura TL and Honda Accord vehicles. Made from high-strength steel using casting and forging methods, this control arm offers reliable durability and structural integrity. The black coated finish helps protect against rust and environmental damage, extending the service life of the component. It comes equipped with a single black rubber bushing that measures 14.3 mm inside diameter and 39.6 mm outside diameter, providing effective vibration dampening and smooth suspension articulation. The ball joint mounting is welded with a threaded stud, though the ball joint itself is not included, allowing for replacement or upgrade as needed. The control arm measures 262.5 mm in length, ensuring proper alignment and fitment for the specified Acura and Honda models.

Common Applications and Problem Resolution

• Restores proper suspension alignment and handling performance
• Replaces worn or damaged control arms causing uneven tire wear
• Eliminates clunking or knocking noises from suspension movement
• Improves ride comfort by reducing vibration through rubber bushing
• Addresses suspension instability or steering issues related to control arm wear

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before installation
• Remove old control arm and inspect ball joint and mounting points
• Use appropriate torque specifications for mounting hardware (not included)
• Check alignment after installation to maintain proper suspension geometry
• Ball joint must be installed separately if replacement is required

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-631 control arm undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official documentation for exact warranty terms.