Dorman 522-843 Suspension Control Arm - Front Left Lower Rearward

Overview of Dorman Suspension Control Arm for Lexus IS300

The Dorman 522-843 suspension control arm is engineered to restore proper suspension geometry and handling for your Lexus IS300. Constructed from durable steel with a coated finish, this control arm is designed to provide reliable performance and long service life.

• Material: Heavy-duty steel construction for strength and durability
• Finish: Protective black coating to resist corrosion
• Bushing: Includes a single black rubber bushing with a 14.3 mm inside diameter
• Length: Overall length of 262.5 mm for precise fitment
• Construction: Casting and forged design for structural integrity
• Ball Joint: Welded ball joint mounting type with threaded stud (ball joint not included)
• Mounting: Press-in end type with bushing linkage end
• Compatible with Lexus IS300 models requiring part number 522-843

Detailed Product Description

This Dorman suspension control arm (part number 522-843) is specifically designed for the Lexus IS300, ensuring a direct replacement that maintains factory suspension performance. The steel construction combined with a coated black finish offers resistance to wear and environmental factors. The included rubber bushing helps absorb road vibrations and reduce noise, contributing to a smoother ride. The control arm features a welded ball joint mounting type with a threaded stud, although the ball joint itself is not included, allowing for flexibility in replacement options.

Common Applications and Problem Resolution

This control arm is used to maintain proper wheel alignment and suspension geometry on the Lexus IS300. It addresses several suspension-related issues, including:

• Uneven tire wear caused by worn or damaged control arms
• Clunking or knocking noises during driving over bumps
• Loose or unstable steering feel
• Vibration or shimmy in the front suspension
• Misalignment issues affecting vehicle handling

Installation Notes and Tips

• Ensure compatibility with Lexus IS300 models before installation
• Ball joint installation is required separately as it is not included
• Use proper torque specifications for mounting hardware (not included)
• Inspect related suspension components during installation for wear
• Professional alignment is recommended after control arm replacement

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit and function. The 522-843 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. Refer to Dorman’s official documentation for exact warranty terms.