Dorman 521-861 Suspension Control Arm - Rear Left Upper

Overview of Dorman Suspension Control Arm 521-861

The Dorman Suspension Control Arm 521-861 is engineered for reliable suspension performance on select Hyundai and Kia models. Designed with durable steel construction and a coated black finish, this control arm offers a solid replacement option for vehicles like the Hyundai Sonata and Kia Optima.

• Constructed from sturdy steel with a coated black finish for corrosion resistance
• Boxed construction enhances strength and durability
• Includes a rubber bushing with black color for vibration dampening
• Overall length of 262.5 mm ensures proper fitment
• Ball joint mounting type is welded; ball joint not included
• Compatible with Hyundai Magentis, Sonata, and Kia Optima, XG300, XG350

Detailed Product Description

This Dorman suspension control arm (part number 521-861) is designed to restore proper suspension geometry and handling characteristics on compatible Hyundai and Kia vehicles. The control arm features a boxed steel construction that provides enhanced rigidity and resistance to bending under load. Its black coated finish helps protect against rust and corrosion, extending the service life of the component.

The control arm includes a single rubber bushing with a 14.3 mm inside diameter and 39.6 mm outside diameter, which helps absorb road vibrations and reduce noise. The bushing length is 92 mm, and it is press-in type on one end, ensuring a secure fit. The ball joint mounting is welded with a threaded stud type, but the ball joint itself is not included, allowing for flexibility in replacement options.

Compatible Vehicles and Applications

This control arm is compatible with the following makes and models:

• Hyundai Magentis
• Hyundai Sonata
• Kia Optima
• Kia XG300
• Kia XG350

It is designed to replace worn or damaged suspension control arms to maintain proper wheel alignment and vehicle stability.

Common Issues Addressed by This Control Arm

• Excessive suspension noise or clunking during driving
• Uneven tire wear due to misalignment
• Loose or unstable steering feel
• Vibration or harshness transmitted through the suspension
• Damaged or worn bushings causing suspension play

Installation Notes and Tips

• Ensure vehicle is safely supported before removing the old control arm
• Inspect ball joint and replace separately if necessary, as it is not included
• Use proper torque specifications for mounting bolts to avoid premature wear
• Check wheel alignment after installation to ensure proper handling
• Lubrication is not required as grease fitting is not included

Quality Assurance and Warranty

Dorman suspension control arms are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-861 control arm undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship.