Dorman 520-477 Suspension Control Arm - Front Left Lower

Overview of Dorman Suspension Control Arm 520-477

The Dorman 520-477 suspension control arm is engineered for Subaru vehicles including the Baja, Forester, Impreza, Legacy, and Outback models. Constructed from durable steel with a coated black finish, this control arm provides reliable suspension performance and longevity.

• Material: Heavy-duty steel construction
• Finish: Protective black coating for corrosion resistance
• Length: 262.5 mm overall length for precise fitment
• Bushing: Includes one black rubber bushing with 14.3 mm inside diameter and 39.6 mm outside diameter
• Construction: Casting and forged for strength and durability
• Ball Joint: Welded mounting type with threaded stud (ball joint not included)
• Mounting: Press-in end type with bushing linkage end
• Grease fitting: Not included
• Mounting hardware: Not included

Detailed Product Description

This Dorman suspension control arm (part number 520-477) is designed specifically for select Subaru models, ensuring compatibility and proper suspension geometry. The steel construction combines casting and forging processes to deliver a robust component capable of withstanding road stresses. The black coated finish helps protect against rust and corrosion, extending the service life of the control arm.

The included rubber bushing is engineered to absorb vibrations and reduce noise, improving ride quality. With a bushing length of 92 mm and precise diameters, it fits securely within the arm. The welded ball joint mounting type with a threaded stud allows for secure attachment of the ball joint, although the ball joint itself is not included with this part.

Compatible Subaru Models and Applications

This control arm is compatible with the following Subaru vehicles:

• Subaru Baja
• Subaru Forester
• Subaru Impreza
• Subaru Legacy
• Subaru Outback

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing excessive play or noise
• Corroded or weakened control arm structure affecting suspension alignment
• Loose or damaged ball joint mounting points
• Vibration and handling issues due to deteriorated suspension components
• Uneven tire wear related to faulty control arm performance

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before removal
• Inspect ball joint and mounting hardware; replace separately if needed
• Use proper torque specifications for mounting bolts
• Alignment check is recommended after installation
• Grease fittings are not included; no lubrication points on this control arm

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-477 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.