Dorman 521-943 Suspension Control Arm - Front Left Upper

Overview of Dorman Suspension Control Arm for Infiniti G20

The Dorman 521-943 suspension control arm is engineered for the Infiniti G20, providing reliable performance and durability. Constructed from coated steel with a boxed design, this lateral link is designed to maintain proper suspension geometry and vehicle handling.

• Constructed from durable steel with a coated finish for corrosion resistance
• Boxed construction enhances strength and rigidity
• Includes a black rubber bushing with a 14.3 mm inside diameter and 39.6 mm outside diameter
• Overall length of 262.5 mm for precise fitment on Infiniti G20 models
• Ball joint mounting type is welded with a threaded stud (ball joint not included)
• Press-in end type with bushing linkage end for secure installation
• Comes with one bushing included; mounting hardware and ball joint are not included

Detailed Product Description

This Dorman suspension control arm (part number 521-943) is designed specifically for the Infiniti G20, ensuring compatibility and proper fitment. The control arm features a boxed steel construction that provides enhanced strength and durability compared to stamped or tubular designs. Its coated black finish helps resist corrosion and wear over time. The included rubber bushing reduces vibration and noise while maintaining suspension alignment. 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. With an overall length of 262.5 mm, this lateral link fits precisely within the suspension system of the Infiniti G20.

Common Applications and Problem Resolution

• Replaces worn or damaged suspension control arms on Infiniti G20 vehicles
• Addresses issues such as uneven tire wear caused by misaligned suspension components
• Reduces clunking or knocking noises from suspension movement
• Improves vehicle handling and steering response by restoring proper suspension geometry
• Eliminates excessive vibration transmitted through the suspension system

Installation Notes and Tips

Installation of the Dorman 521-943 suspension control arm requires basic mechanical skills and appropriate tools. Since the ball joint is not included, ensure the existing ball joint is inspected and replaced if necessary. The control arm features a press-in end and a bushing linkage end, so proper pressing tools may be required to install the bushing securely. Torque all mounting hardware to manufacturer specifications. It is recommended to perform a wheel alignment after installation to ensure optimal suspension performance and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-943 control arm undergoes rigorous quality checks to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.