Dorman 521-680 Suspension Control Arm - Rear Lower

Durable Suspension Control Arm for Hyundai and Kia Vehicles

The Dorman 521-680 suspension control arm is engineered to provide reliable performance for select Hyundai and Kia models. Designed with quality steel construction and a coated finish, this control arm ensures durability and resistance to corrosion for long-lasting use.

• Constructed from stamped steel for strength and rigidity
• Black coated finish to resist rust and wear
• Includes a rubber bushing with a black color for vibration dampening
• Overall length of 262.5 mm for precise fitment
• Welded ball joint mounting type with threaded stud (ball joint not included)
• Compatible with Hyundai Elantra and Kia Magentis, Optima, and Rondo models

Technical Details and Construction

This suspension control arm features a stamped steel construction that balances strength and weight. The black coated finish protects against environmental elements, extending the component's service life. It includes a single rubber bushing with a 14.3 mm inside diameter and 39.6 mm outside diameter, designed to absorb road vibrations and reduce noise. The ball joint mounting is welded with a threaded stud type, though the ball joint itself is not included. The control arm measures 262.5 mm in overall length and uses a press-in type for the second end, ensuring secure attachment to the vehicle's suspension system.

Compatible Vehicles and Applications

This Dorman suspension control arm (part number 521-680) is compatible with several Hyundai and Kia models, including the Hyundai Elantra and Kia Magentis, Optima, and Rondo. It is designed to replace worn or damaged control arms in these vehicles, restoring proper suspension geometry and handling characteristics.

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

Installation Notes and Tips

Installation of the Dorman 521-680 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 installed but does not include mounting hardware, so retain or source appropriate bolts and nuts. Proper torque specifications should be followed to maintain suspension integrity and safety.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 521-680 control arm undergoes quality checks to ensure fit, form, and function. While specific warranty details are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation for exact warranty terms.