Dorman 521-690 Suspension Control Arm - Rear Lower Forward

Overview of Dorman Suspension Control Arm 521-690

The Dorman 521-690 suspension control arm is engineered for reliable performance on Nissan 350Z and Infiniti G35 models. Constructed from durable steel with a coated black finish, this control arm is designed to maintain proper suspension geometry and improve vehicle handling.

• Material: Heavy-duty steel construction for strength and durability
• Coated black finish to resist corrosion and wear
• Tubular construction enhances structural integrity
• Includes rubber bushings with black color for vibration dampening
• Overall length of 262.5 mm for precise fitment
• Ball joint mounting type is welded; ball joint not included
• Press-in end type with bushing linkage end for secure installation
• Compatible with Nissan 350Z and Infiniti G35 models

Detailed Product Description

The Dorman 521-690 suspension control arm is designed specifically for the Nissan 350Z and Infiniti G35, ensuring a direct replacement that meets factory specifications. Its steel tubular construction provides a balance of strength and weight savings, while the black coated finish offers protection against rust and environmental damage. The control arm comes equipped with a single rubber bushing, featuring a 14.3 mm inside diameter and 39.6 mm outside diameter, which helps absorb road vibrations and reduce noise. The welded ball joint mounting type allows for a secure connection to the suspension system, although the ball joint itself is not included with this part. With an overall length of 262.5 mm, this control arm fits precisely within the suspension assembly to maintain proper wheel alignment and handling characteristics.

Common Applications and Issues Addressed

• Restores proper suspension geometry for improved vehicle stability
• Reduces excessive tire wear caused by worn control arms
• Eliminates clunking or knocking noises from suspension movement
• Improves steering response and handling precision
• Replaces damaged or corroded control arms to maintain safety

Installation Notes and Tips

Installation of the Dorman 521-690 control arm requires basic suspension knowledge and tools. Since the ball joint is not included, ensure compatibility with your existing ball joint or purchase separately if needed. The control arm features a press-in end and bushing linkage end, so proper pressing tools may be required to install the bushings securely. It is recommended to have a professional alignment performed after installation to ensure optimal handling and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards, providing reliable performance and durability. This control arm is coated to resist corrosion and includes rubber bushings designed for long service life. While specific warranty details may vary, Dorman typically offers limited warranties on suspension parts to cover defects in materials and workmanship.