Dorman 521-663 Suspension Control Arm - Front Left Lower

Overview of Dorman Suspension Control Arm 521-663

The Dorman Suspension Control Arm 521-663 is engineered for reliable suspension performance on Hyundai Sportage and Kia Tucson models. Constructed from durable steel with a coated black finish, this control arm is designed to maintain proper wheel alignment and vehicle stability.

• Material: Heavy-duty steel construction
• Coated black finish for corrosion resistance
• Includes rubber bushing with black color
• Overall length: 262.5 mm
• Ball joint mounting type: Welded (ball joint not included)
• Press-in end type with bushing linkage
• Compatible with Hyundai Sportage and Kia Tucson
• Part number: 521-663

Detailed Product Description

This suspension control arm from Dorman is built using a casting and forging process to ensure strength and durability under normal driving conditions. The steel arm features a coated black finish that helps resist rust and corrosion, extending the service life of the component. It comes equipped with a single rubber bushing, which has a 14.3 mm inside diameter and 39.6 mm outside diameter, designed to absorb vibrations and reduce noise. The bushing length is 92 mm, providing a secure fit and smooth articulation. The ball joint mounting is welded with a threaded stud type, though the ball joint itself is not included with this part. The control arm measures 262.5 mm in overall length and uses a press-in type for the second end, ensuring proper fitment and function.

Compatible Vehicles and Applications

This Dorman control arm 521-663 is specifically compatible with Hyundai Sportage and Kia Tucson models. It is intended for use in suspension systems requiring a regular grade, non-adjustable control arm with bushing linkage ends. This part is ideal for replacing worn or damaged control arms to restore proper suspension geometry and vehicle handling.

• Corrects suspension misalignment issues
• Reduces uneven tire wear caused by faulty control arms
• Eliminates clunking or knocking noises from worn bushings
• Improves steering response and vehicle stability
• Restores proper suspension travel and articulation

Installation Notes and Tips

Installation of the Dorman 521-663 control arm requires basic suspension knowledge and tools. Since the ball joint is not included, ensure the existing ball joint is inspected and replaced if necessary. The control arm comes with bushings pre-installed but does not include mounting hardware, so retain or replace bolts and nuts as needed. Proper torque specifications should be followed to avoid premature wear or failure. It is recommended to have a professional alignment performed after installation to ensure optimal suspension performance.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-663 control arm undergoes rigorous quality checks to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.